The Maine Geological Survey provides the people and businesses of Maine with essential geologic information about the land where we live and work.
Note: Many state documents are offered in PDF format. To view PDF documents, you will need the free Adobe Reader. If you need assistance, view our Maine government PDF Help page or contact the contributing Maine State agency via the link on the left sidebar under “Links”.
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Virtual Tour of Maine's Ground Water and Wells
Maine Geological Survey
Virtual Tours, Circular VT-5. An introductory, photographic tour of Maine's ground water and wells.
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Virtual Tour of Maine's Minerals
Maine Geological Survey
Virtual Tours, Circular VT-6. An introductory, photographic tour of Maine's mineral resources.
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Virtual Tour of Maine's Mines and Quarries
Maine Geological Survey
Virtual Tours, Circular VT-7. An introductory, photographic tour of Maine's mines and quarries.
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Virtual Tour of Maine's Surficial Geology
Maine Geological Survey
Virtual Tours, Circular VT-8. An introductory, photographic tour of Maine's surficial geology.
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Allagash Falls Geology
Robert G. Marvinney
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-100
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Geology of Augusta's Third Bridge Access Ways
Robert G. Marvinney
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-93
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Some Geological Features at Smalls Falls
Robert G. Marvinney
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-98
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Alder Pond Massive Sulfide Deposit
Craig D. Neil
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-102
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Surficial geology of the China Lake 7.5' quadrangle, Kennebec County, Maine
Kent M. Syverson and David P. Mans
Maine Geological Survey, Open-File Report 05-18.
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Digital Elevation Models: Maine Geology in a New Light
Woodrow B. Thompson
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-94
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Basalt Dikes at Schoodic Point, Acadia National Park
Henry N. Berry IV
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-90
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Historical Bedrock Maps of Maine, Part II: The Keith (1933) Map
Henry N. Berry IV
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-86
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Historical Bedrock Maps of Maine, Part I: The Hitchcock (1885) Map
Henry N. Berry IV
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-85
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An Underwater View of the Gulf of Maine Sea Floor
Stephen M. Dickson
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-84
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Surficial geology of the Belgrade 7.5' quadrangle, Kennebec County, Maine
Carol T. Hildreth
Maine Geological Survey, Open-File Report 04-38.
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Surficial geology of the Purgatory quadrangle, Androscoggin, Kennebec, and Sagadahoc Counties, Maine
Carol T. Hildreth
Maine Geological Survey, Open-File Report 03-61.
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Surficial geology of the Readfield 7.5' quadrangle, Kennebec County, Maine
Carol T. Hildreth
Maine Geological Survey, Open-File Report 04-41.
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USGS National Geochemical Survey
Robert A. Johnston
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-88
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Seismic Refraction Profiling: An important tool used in mapping sand and gravel aquifers
Daniel B. Locke
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-82
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The Agassiz Outcrop: A National Historic Site
Robert G. Marvinney
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-80
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Imaging Nearshore Bathymetry using a Personal Watercraft
Peter A. Slovinsky
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-83
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Striped Ledge on Keewaydin Lake
Woodrow B. Thompson
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-89
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Daggett Rock - Maine's Largest Glacial Erratic
Thomas K. Weddle
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-87
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Geologically Speaking, What's in a Place Name?
Thomas K. Weddle
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-81
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Coastal Landslide with Outrunner Blocks, Bunganuc Bluff
Thomas K. Weddle and Henry N. Berry IV
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-91