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Maine Geological Survey Maps

Maine Geological Survey Maps

The Maine Geological Survey provides the people and businesses of Maine with essential geologic information about the land where we live and work.

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Surficial materials of the Old Speck Mountain quadrangle, Maine

Woodrow B. Thompson

Maine Geological Survey, Open-File Map 01-187 (Superseded by Theis and Thompson, 2023, Maine Geological Survey Open-File 23-9)
Surficial materials of the Oquossoc quadrangle, Maine

Woodrow B. Thompson

Maine Geological Survey, Open-File Map 01-191
Surficial materials of the Orient quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-193
Surficial materials of the Oxbrook Lakes quadrangle, Maine

Thomas K. Weddle

Maine Geological Survey, Open-File Map 01-316
Surficial materials of the Oxford quadrangle, Maine

Daniel B. Locke and Woodrow B. Thompson

Maine Geological Survey, Open-File Map 01-396
Surficial materials of the Parmachenee Lake quadrangle, Maine

Woodrow B. Thompson

Maine Geological Survey, Open-File Map 01-199
Surficial materials of the Passadumkeag quadrangle, Maine

Edward B. Baker

Maine Geological Survey, Open-File Map 01-201
Surficial materials of the Patten quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-203
Surficial materials of the Peaked Mountain quadrangle, Maine

Craig D. Neil

Maine Geological Survey, Open-File Map 01-287
Surficial materials of the Plymouth quadrangle, Maine

Thomas K. Weddle

Maine Geological Survey, Open-File Map 01-205
Surficial materials of the Poplar Mountain quadrangle, Maine

Harold W. Borns Jr

Maine Geological Survey, Open-File Map 01-207
Surficial materials of the Potter Hill quadrangle, Maine

Thomas K. Weddle

Maine Geological Survey, Open-File Map 01-308
Surficial materials of the Princeton quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-290
Surficial materials of the Puzzle Mountain quadrangle, Maine

Woodrow B. Thompson

Maine Geological Survey, Open-File Map 01-211 (Superseded by Spigel, 2021, Maine Geological Survey Open-File 21-5)
Surficial materials of the Quill Hill quadrangle, Maine

Thomas K. Weddle

Maine Geological Survey, Open-File Map 01-213
Surficial materials of the Quillpig Mountain quadrangle, Maine

Craig D. Neil

Maine Geological Survey, Open-File Map 01-286
Surficial materials of the Redington quadrangle, Maine

Craig D. Neil

Maine Geological Survey, Open-File Map 01-215
Surficial materials of the Reed Pond quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-217
Surficial materials of the Richardson Pond quadrangle, Maine

Woodrow B. Thompson

Maine Geological Survey, Open-File Map 01-219
Surficial materials of the Round Lake quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-296
Surficial materials of the Roxbury quadrangle, Maine

Glenn C. Prescott Jr

Maine Geological Survey, Open-File Map 01-221 (Superseded by Spigel and Prescott, 2020, Maine Geological Survey Open-File 20-4)
Surficial materials of the Rumford quadrangle, Maine

Glenn C. Prescott Jr

Maine Geological Survey, Open-File Map 01-223 (Superseded by Locke and Weddle, 2017, Maine Geological Survey Open-File 17-6)
Surficial materials of the Rump Mountain quadrangle, Maine

Woodrow B. Thompson

Maine Geological Survey, Open-File Map 01-225
Surficial materials of the Saddleback Mountain quadrangle, Maine

Craig D. Neil

Maine Geological Survey, Open-File Map 01-227. (Superseded by Theis, 2025, Maine Geological Survey Open-File 25-7)
Surficial materials of the Salmon Stream Lake quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-229
Surficial materials of the Sangerville quadrangle, Maine

Glenn C. Prescott Jr

Maine Geological Survey, Open-File Map 01-231
Surficial materials of the Scraggly Lake quadrangle, Maine

Thomas K. Weddle

Maine Geological Survey, Open-File Map 01-315
Surficial materials of the Seboeis quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-233
Surficial materials of the Simsquish Lake quadrangle, Maine

Michael E. Foley

Maine Geological Survey, Open-File Map 01-303
Surficial materials of the Smyrna Mills quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-235
Surficial materials of the Solon quadrangle, Maine

Andres Meglioli

Maine Geological Survey, Open-File Map 01-239
Surficial materials of the South Lagrange quadrangle, Maine

Dale F. Doughty

Maine Geological Survey, Open-File Map 01-241
Surficial materials of the Springfield quadrangle, Maine

Glenn C. Prescott Jr

Maine Geological Survey, Open-File Map 01-243
Surficial materials of the Stacyville quadrangle, Maine

Thomas K. Weddle

Maine Geological Survey, Open-File Map 01-247
Surficial materials of the St. Croix Lake quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-245
Surficial materials of the Stetson Mountain quadrangle, Maine

Thomas K. Weddle

Maine Geological Survey, Open-File Map 01-309
Surficial materials of the Stratton quadrangle, Maine

Thomas K. Weddle

Maine Geological Survey, Open-File Map 01-250
Surficial materials of the Ten Mile Lake quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-253
Surficial materials of the Tomah Mountain quadrangle, Maine

Michael E. Foley

Maine Geological Survey, Open-File Map 01-302
Surficial materials of the Tomah Ridge quadrangle, Maine

Michael E. Foley

Maine Geological Survey, Open-File Map 01-306
Surficial materials of the Tug Mountain quadrangle, Maine

Craig D. Neil

Maine Geological Survey, Open-File Map 01-288
Surficial materials of the Twin Brook quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-257
Surficial materials of the Umcolcus Lake quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-261
Surficial materials of the Vanceboro quadrangle, Maine

Michael E. Foley

Maine Geological Survey, Open-File Map 01-301
Surficial materials of the Waite quadrangle, Maine

Michael E. Foley

Maine Geological Survey, Open-File Map 01-305
Surficial materials of the Weld quadrangle, Maine

Glenn C. Prescott Jr

Maine Geological Survey, Open-File Map 01-266 (Superseded by Spigel and Prescott, 2020, Maine Geological Survey Open-File 20-6)
Surficial materials of the Wesley quadrangle, Maine

Craig D. Neil

Maine Geological Survey, Open-File Map 01-295
Surficial materials of the West Corinth quadrangle, Maine

Thomas V. Lowell

Maine Geological Survey, Open-File Map 01-269
Surficial materials of the Whetstone Mountain quadrangle, Maine

Thomas K. Weddle

Maine Geological Survey, Open-File Map 01-271
Surficial materials of the Whetstone Pond quadrangle, Maine

Glenn C. Prescott Jr

Maine Geological Survey, Open-File Map 01-273
Surficial materials of the Wilsons Mills quadrangle, Maine

Woodrow B. Thompson

Maine Geological Survey, Open-File Map 01-275
Surficial materials of the Witham Mountain quadrangle, Maine

Harold W. Borns Jr

Maine Geological Survey, Open-File Map 01-277
Surficial materials of the Woodland quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-291
Surficial materials of the Wytopitlock quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 01-279
Significant sand and gravel aquifers in the Addison quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-196
Significant sand and gravel aquifers in the Amherst quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-175
Significant sand and gravel aquifers in the Beech Hill Pond quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-177
Significant sand and gravel aquifers in the Belgrade Lakes quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-28
Significant sand and gravel aquifers in the Bog Lake quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-191
Significant sand and gravel aquifers in the Burnham quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-17
Significant sand and gravel aquifers in the Calais quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-114
Significant sand and gravel aquifers in the Canaan quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-13
Significant sand and gravel aquifers in the Cherryfield quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-188
Significant sand and gravel aquifers in the China Lake quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-1.
Significant sand and gravel aquifers in the Clinton quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-16
Significant sand and gravel aquifers in the Columbia Falls quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-193
Significant sand and gravel aquifers in the Cutler quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-131
Significant sand and gravel aquifers in the Eastbrook quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-178
Significant sand and gravel aquifers in the East Dixfield quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-37
Significant sand and gravel aquifers in the Epping quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-186
Significant sand and gravel aquifers in the Farmington Falls quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-39
Significant sand and gravel aquifers in the Farmington quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-35
Significant sand and gravel aquifers in the Harrington quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-189
Significant sand and gravel aquifers in the Hinckley quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-27
Significant sand and gravel aquifers in the Jefferson quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-8
Significant sand and gravel aquifers in the Jonesport quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-197
Significant sand and gravel aquifers in the Lead Mountain quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-181
Significant sand and gravel aquifers in the Liberty quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-3
Significant sand and gravel aquifers in the Long Lake quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-127
Significant sand and gravel aquifers in the Lubec quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-119
Significant sand and gravel aquifers in the Machias Bay quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-130
Significant sand and gravel aquifers in the Machias quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-195
Significant sand and gravel aquifers in the Madison East quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-23
Significant sand and gravel aquifers in the Madison West quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-22
Significant sand and gravel aquifers in the Meddybemps Lake East quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-115
Significant sand and gravel aquifers in the Mercer quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-25
Significant sand and gravel aquifers in the Molasses Pond quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-179
Significant sand and gravel aquifers in the Montegail Pond quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-183
Significant sand and gravel aquifers in the Mount Blue quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-34
Significant sand and gravel aquifers in the Newport quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-15
Significant sand and gravel aquifers in the New Sharon quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-36
Significant sand and gravel aquifers in the Norridgewock quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-26
Significant sand and gravel aquifers in the Northeast Bluff quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-182
Significant sand and gravel aquifers in the Palermo quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-2
Significant sand and gravel aquifers in the Peaked Mountain Pond quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-190
Significant sand and gravel aquifers in the Pembroke quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-118
Significant sand and gravel aquifers in the Pittsfield quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-14
Significant sand and gravel aquifers in the Porcupine Mountain quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-117
Significant sand and gravel aquifers in the Razorville quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-5
Significant sand and gravel aquifers in the Red Beach quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-116
Significant sand and gravel aquifers in the Rocky Pond quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-176
Significant sand and gravel aquifers in the Rome quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-29
Significant sand and gravel aquifers in the Roque Bluffs quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-198
Significant sand and gravel aquifers in the Schoodic Lake quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-185
Significant sand and gravel aquifers in the Skowhegan quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-24
Significant sand and gravel aquifers in the Sullivan quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-180
Significant sand and gravel aquifers in the Tunk Lake quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-187
Significant sand and gravel aquifers in the Tunk Mountain quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-184
Significant sand and gravel aquifers in the Unity Pond quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-18
Significant sand and gravel aquifers in the Unity quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-21
Significant sand and gravel aquifers in the Washington quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-6
Significant sand and gravel aquifers in the Waterville quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-30
Significant sand and gravel aquifers in the Weeks Mills quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-4
Significant sand and gravel aquifers in the West Lubec quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-129
Significant sand and gravel aquifers in the Whiting quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-128
Significant sand and gravel aquifers in the Whitneyville quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-194
Significant sand and gravel aquifers in the Wilton quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 00-38
Surficial geology of the Casco quadrangle, Maine

Carol T. Hildreth

Maine Geological Survey, Open-File Map 00-141
Surficial materials of the Addison quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-171
Surficial materials of the Amherst quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-150
Surficial materials of the Beech Hill Pond quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-152
Surficial materials of the Belgrade Lakes quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-67 (Superseded by Theis and Locke, 2023, Maine Geological Survey Open-File 23-7)
Surficial materials of the Bog Lake quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-166
Surficial materials of the Bridgton quadrangle, Maine

Daniel B. Locke and Carol T. Hildreth

Maine Geological Survey, Open-File Map 00-140
Surficial materials of the Burnham quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-56
Surficial materials of the Calais quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-105
Surficial materials of the Canaan quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-52
Surficial materials of the Casco quadrangle, Maine

Daniel B. Locke and Carol T. Hildreth

Maine Geological Survey, Open-File Map 00-143
Surficial materials of the Cherryfield quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-163
Surficial materials of the Clinton quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-55
Surficial materials of the Columbia Falls quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-168
Surficial materials of the Cross Island quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-126
Surficial materials of the Cutler quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-124
Surficial materials of the Devils Head quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-106
Surficial materials of the Eastbrook quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-153
Surficial materials of the East Dixfield quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-76 (Superseded by Spigel and Locke, 2018, Maine Geological Survey Open-File 18-17)
Surficial materials of the Eastport quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-112
Surficial materials of the Epping quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-161
Surficial materials of the Farmington Falls quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-78 (Superseded by Theis and Millette, 2024, Maine Geological Survey Geologic Map 24-7)
Surficial materials of the Harrington quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-164
Surficial materials of the Hinckley quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-66 (Superseded by Johnston and Locke, 2016, Maine Geological Survey Open-File 16-4)
Surficial materials of the Hopkins Pond quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-149
Surficial materials of the Jonesport quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-172
Surficial materials of the Lead Mountain quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-156
Surficial materials of the Liberty quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-42
Surficial materials of the Long Lake quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-120
Surficial materials of the Lubec quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-113
Surficial materials of the Machias Bay quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-123
Surficial materials of the Machias quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-170
Surficial materials of the Madison East quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-62
Surficial materials of the Madison West quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-61
Surficial materials of the Meddybemps Lake East quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-107
Surficial materials of the Mercer quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-64
Surficial materials of the Molasses Pond quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-154
Surficial materials of the Montegail Pond quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-158
Surficial materials of the Moose River quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-125
Surficial materials of the Mount Blue quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-73 (Superseded by Spigel and Locke, 2018, Maine Geological Survey Open-File 18-19)
Surficial materials of the Newport quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-54
Surficial materials of the New Sharon quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-75
Surficial materials of the Norridgewock quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-65 (Superseded by Theis and Locke, 2025, Maine Geological Survey Open-File 25-18)
Surficial materials of the Northeast Bluff quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-157
Surficial materials of the Norway quadrangle, Maine

Daniel B. Locke and Woodrow B. Thompson

Maine Geological Survey, Open-File Map 00-132
Surficial materials of the Palermo quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-41
Surficial materials of the Peaked Mountain Pond quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-165
Surficial materials of the Pembroke quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-111
Surficial materials of the Pittsfield quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-53
Surficial materials of the Porcupine Mountain quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-110
Surficial materials of the Razorville quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-44
Surficial materials of the Red Beach quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-108
Surficial materials of the Robbinston quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-109
Surficial materials of the Rocky Pond quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-151
Surficial materials of the Rome quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-68 (Superseded by Theis and Locke, 2023, Maine Geological Survey Open-File 23-5)
Surficial materials of the Roque Bluffs quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-173
Surficial materials of the Schoodic Lake quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-160
Surficial materials of the Skowhegan quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-63
Surficial materials of the Tunk Lake quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-162
Surficial materials of the Tunk Mountain quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-159
Surficial materials of the Unity Pond quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-57 (Superseded by Spigel and Locke, 2022, Maine Geological Survey Open-File 22-3)
Surficial materials of the Unity quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-60 (Superseded by Spigel and Locke, 2022, Maine Geological Survey Open-File 22-1)
Surficial materials of the Washington quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-45
Surficial materials of the Waterford Flat quadrangle, Maine

Daniel B. Locke and Woodrow B. Thompson

Maine Geological Survey, Open-File Map 00-134
Surficial materials of the Waterville quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-69 (Superseded by Weddle and Locke, 2016, Maine Geological Survey Open-File 16-7)
Surficial materials of the West Lubec quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-122
Surficial materials of the Whiting quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-121
Surficial materials of the Whitneyville quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-169
Surficial materials of the Wilton quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 00-77 (Superseded by Theis, 2024, Maine Geological Survey Geologic Map 24-8)
Significant sand and gravel aquifers in the Augusta quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-33
Significant sand and gravel aquifers in the Bath quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-19
Significant sand and gravel aquifers in the Belgrade quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-30
Significant sand and gravel aquifers in the Bristol quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-13
Significant sand and gravel aquifers in the Brunswick quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-18
Significant sand and gravel aquifers in the Cumberland Center quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-27
Significant sand and gravel aquifers in the Gardiner quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-36
Significant sand and gravel aquifers in the Gray quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-24
Significant sand and gravel aquifers in the Lewiston quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-22
Significant sand and gravel aquifers in the Lisbon Falls North quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-22
Significant sand and gravel aquifers in the Lisbon Falls South quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-26
Significant sand and gravel aquifers in the Minot quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-21
Significant sand and gravel aquifers in the North Pownal quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-25
Significant sand and gravel aquifers in the Pemaquid Point quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-14
Significant sand and gravel aquifers in the Portland West quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-11
Significant sand and gravel aquifers in the Prouts Neck quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-12
Significant sand and gravel aquifers in the Purgatory quadrangle, Maine

C D. Neil

Maine Geological Survey, Open-File Map 99-35.
Significant sand and gravel aquifers in the Vassalboro quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-31
Significant sand and gravel aquifers in the Westport quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-20
Significant sand and gravel aquifers in the Wiscasset quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-17
Significant sand and gravel aquifers in the Yarmouth quadrangle, Maine

Craig D. Neil and Daniel B. Locke

Maine Geological Survey, Open-File Map 99-28
Surficial geology of the Alfred quadrangle, Maine

Craig D. Neil

Maine Geological Survey, Open-File Map 99-76
Surficial geology of the Bar Mills quadrangle, Maine

Lewis E. Hunter

Maine Geological Survey, Open-File Map 99-77
Surficial geology of the Biddeford Pool quadrangle, Maine

Carol T. Hildreth

Maine Geological Survey, Open-File Map 99-79
Surficial geology of the Cape Elizabeth quadrangle, Maine

J Michael Clinch and Woodrow B. Thompson

Maine Geological Survey, Open-File Map 99-80
Surficial geology of the Cumberland Center quadrangle, Maine

Michael J. Retelle

Maine Geological Survey, Open-File Map 99-81
Surficial geology of the Freeport quadrangle, Maine

Thomas K. Weddle

Maine Geological Survey, Open-File Map 99-83
Surficial geology of the Gorham quadrangle, Maine

Geoffrey W. Smith

Maine Geological Survey, Open-File Map 99-84
Surficial geology of the Hiram quadrangle, Maine

Woodrow B. Thompson and William R. Holland

Maine Geological Survey, Open-File Map 99-85
Surficial geology of the Kennebunkport quadrangle, Maine

Geofrey W. Smith

Maine Geological Survey, Open-File Map 99-87
Surficial geology of the Kennebunk quadrangle, Maine

Geoffrey W. Smith

Maine Geological Survey, Open-File Map 99-86
Surficial geology of the Kittery quadrangle, Maine

Patrick B. O'Toole, J Michael Clinch, and Cornelia C. Cameron

Maine Geological Survey, Open-File Map 99-88
Surficial geology of the Limerick quadrangle, Maine

Thom Wilch

Maine Geological Survey, Open-File Map 99-89
Surficial geology of the Limington quadrangle, Maine

Andres Meglioli and Woodrow B. Thompson

Maine Geological Survey, Open-File Map 99-90
Surficial geology of the Milton quadrangle, Maine

Andres Meglioli

Maine Geological Survey, Open-File Map 99-91
Surficial geology of the North Berwick quadrangle, Maine

Geoffrey W. Smith

Maine Geological Survey, Open-File Map 99-92
Surficial geology of the North Pownal quadrangle, Maine

Cheryl L. Marvinney

Maine Geological Survey, Open-File Map 99-93
Surficial geology of the Old Orchard Beach quadrangle, Maine

Michael J. Retelle

Maine Geological Survey, Open-File Map 99-94
Surficial geology of the Portland East quadrangle, Maine

Alexa Bernotavicz

Maine Geological Survey, Open-File Map 99-95
Surficial geology of the Portsmouth quadrangle, Maine

Geoffrey W. Smith and Cornelia C. Cameron

Maine Geological Survey, Open-File Map 99-96
Surficial geology of the Prouts Neck quadrangle, Maine

J Michael Clinch and Woodrow B. Thompson

Maine Geological Survey, Open-File Map 99-97
Surficial geology of the Rochester quadrangle, Maine

Geoffrey W. Smith

Maine Geological Survey, Open-File Map 99-98
Surficial geology of the Somersworth quadrangle, Maine

Geoffrey W. Smith

Maine Geological Survey, Open-File Map 99-99
Surficial geology of the South Harpswell quadrangle, Maine

Alexa Bernotavicz and Mark Dubois

Maine Geological Survey, Open-File Map 99-100
Surficial geology of the Standish quadrangle, Maine

John C. Gosse

Maine Geological Survey, Open-File Map 99-101
Surficial geology of the Steep Falls quadrangle, Maine

John C. Gosse and Woodrow B. Thompson

Maine Geological Survey, Open-File Map 99-102
Surficial geology of the Waterboro quadrangle, Maine

Andres Meglioli

Maine Geological Survey, Open-File Map 99-103
Surficial geology of the Wells quadrangle, Maine

Geoffrey W. Smith

Maine Geological Survey, Open-File Map 99-104
Surficial geology of the Yarmouth quadrangle, Maine

Michael J. Retelle

Maine Geological Survey, Open-File Map 99-105
Surficial geology of the York Beach quadrangle, Maine

Patrick O'Toole, J Michael Clinch, and Cornelia C. Cameron

Maine Geological Survey, Open-File Map 99-106
Surficial geology of the York Harbor quadrangle, Maine

J Michael Clinch, Patrick B. O'Toole, and Cornelia C. Cameron

Maine Geological Survey, Open-File Map 99-107
Surficial materials of the Biddeford Pool quadrangle, Maine

Carol T. Hildreth

Maine Geological Survey, Open-File Map 99-43
Surficial materials of the Bristol quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 99-47
Surficial materials of the Cape Elizabeth quadrangle, Maine

J Michael Clinch and Woodrow B. Thompson

Maine Geological Survey, Open-File Map 99-42
Surficial materials of the Cumberland Center quadrangle, Maine

Michael J. Retelle

Maine Geological Survey, Open-File Map 99-64
Surficial materials of the Friendship quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 99-49
Surficial materials of the Gray quadrangle, Maine

Thomas K. Weddle

Maine Geological Survey, Open-File Map 99-61
Surficial materials of the Lisbon Falls North quadrangle, Maine

Thomas K. Weddle, Amanda E. Normand, Alexa A. Bernotavicz, and Craig D. Neil

Maine Geological Survey, Open-File Map 99-10
Surficial materials of the Lisbon Falls South quadrangle, Maine

Thomas K. Weddle

Maine Geological Survey, Open-File Map 99-63
Surficial materials of the Louds Island quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 99-48
Surficial materials of the North Pownal quadrangle, Maine

Cheryl L. Marvinney

Maine Geological Survey, Open-File Map 99-62
Surficial materials of the Orrs Island quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 99-57
Surficial materials of the Pemaquid Point quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 99-50
Surficial materials of the Phippsburg quadrangle, Maine

Daniel B. Locke

Maine Geological Survey, Open-File Map 99-58