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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Reconnaissance surficial geology of the Robbinston quadrangle, Maine
Harold W. Borns Jr
Maine Geological Survey, Open-File Map 74-10
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Reconnaissance surficial geology of the Tenants Harbor quadrangle, Maine
Geoffrey W. Smith
Maine Geological Survey, Open-File Map 74-17
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Geologic map and cross sections of the Orrs Island 7.5' quadrangle and adjacent area, Maine
Arthur M. Hussey II
Maine Geological Survey (Department of Economic Development), Geologic Map Series GM-2
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Geologic map of the Portland [15-minute] quadrangle, Maine
Arthur M. Hussey II
Maine Geological Survey (Department of Economic Development), Geologic Map Series GM-1
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Reconnaissance bedrock geology of the Boyd Lake [15-minute] quadrangle, Maine
John R. Griffin
Maine Geological Survey, Open-File Map 71-7
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Reconnaissance bedrock geology of the Dover-Foxcroft [15-minute] quadrangle, Maine
John R. Griffin
Maine Geological Survey, Open-File Map 71-8
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Reconnaissance bedrock geology of the Guilford [15-minute] quadrangle, Maine
John R. Griffin
Maine Geological Survey, Open-File Map 71-5
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Reconnaissance bedrock geology of the Pittsfield [15-minute] quadrangle, Maine
John R. Griffin
Maine Geological Survey, Open-File Map 71-3
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Reconnaissance bedrock geology of the Schoodic [15-minute] quadrangle, Maine
John R. Griffin
Maine Geological Survey, Open-File Map 71-2
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Reconnaissance bedrock geology of the Sebec [15-minute] quadrangle, Maine
John R. Griffin
Maine Geological Survey, Open-File Map 71-4
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Reconnaissance bedrock geology of the Sebec Lake [15-minute] quadrangle, Maine
John R. Griffin
Maine Geological Survey, Open-File Map 71-6
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Reconnaissance bedrock geology of the Stetson [15-minute] quadrangle, Maine
John R. Griffin
Maine Geological Survey, Open-File Map 71-1
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Stratigraphy of the southern end of the Munsungun anticlinorium, Maine
Bradford A. Hall
Maine Geological Survey (Department of Economic Development), Bulletin 22. Includes appendix on fossil localities in southern end of Munsungun anticlinorium. Covers parts of the Umsaskis Lake, Musquacook Lakes, Churchill Lake, Spider Lake, Chesuncook, and Telos Lake 15' quadrangles.
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Geology of the Moose River and Roach River synclinoria, northwestern Maine
Arthur J. Boucot and Edward W. Heath
Maine Geological Survey (Department of Economic Development), Bulletin 21. Describes stratigraphy, paleontology, intrusive rocks, metamorphism, and structure. Plates include reconnaissance maps, cross sections, stratigraphic columns, and fossil localities. Includes appendix of fossil localities in the area. Covers parts of the North East Carry, Ragged Lake, Attean, Long Pond, Brassua Lake, Moosehead Lake, First Roach Pond, Spencer Lake, Pierce Pond, and The Forks 15' quadrangles.
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Stratigraphy, structural geology, and metamorphism of the Waterville-Vassalboro area, Maine
Philip H. Osberg
Maine Geological Survey (Department of Economic Development), Bulletin 20. Includes parts of Norridgewock, Waterville, Augusta, and Vassalboro 15' quads
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Preliminary geologic map of Maine
Arthur M. Hussey II, Carleton A. Chapman, Robert G. Doyle, Arthur M. Hussey II, Philip H. Osberg, Louis Pavlides, and Jeffrey Warner
Maine Geological Survey (Department of Economic Development) (Superseded by Osberg, Philip H., Hussey, Arthur M., II, and Boone, Gary M., 1984, Open-File No. 84-1). A 42" x 58" color wall map showing the bedrock geology of Maine. Ages of rocks in color, lithologies differentiated by patterns, inset map of metamorphic zones, correlation chart and extensive reference list.
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Geology of the Bryant Pond quadrangle, Maine
Charles V. Guidotti
Maine Geological Survey (Department of Economic Development), Bulletin 16 (Quadrangle Mapping Series 3)
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Reconnaissance bedrock geology of the Presque Isle quadrangle, Maine
Arthur J. Boucot, Michael T. Field, Raymond Fletcher, William H. Forbes, Richard S. Naylor, and Louis Pavlides
Maine Geological Survey (Department of Economic Development), Bulletin 15 (Quadrangle Mapping Series 2), 123 p., illus., geologic maps
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The geology of southern York County, Maine
Arthur M. Hussey II
Maine Geological Survey (Department of Economic Development), Bulletin 14 (Special Studies Series 4), 67 p., illus., table, geologic maps
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Geologic map of the Cutler and Moose River quadrangles, Washington County, Maine
Olcott Gates
Maine Geological Survey, Open-File Map 61-1. From out-of-print Maine Geological Survey Bulletin 13
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Reconnaissance bedrock geology of the Cherryfield [15-minute] quadrangle, Maine
Richard A. Gilman
Maine Geological Survey, Open-File Map 61-2
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The geology of the Cutler and Moose River quadrangles, Washington County, Maine
Olcott Gates
Maine Geological Survey (Department of Economic Development), Bulletin 13 (Quadrangle Mapping Series 1), 67 p., illustrations, geologic map
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Mineral resources of Maine - Lewiston sheet
Robert G. Doyle
Maine Geological Survey (Department of Economic Development), Mineral Resource Reference Map Series, No. 2, MRRM-2
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Mineral resources of Maine - Portland-Bath sheet
Robert G. Doyle
Maine Geological Survey (Department of Economic Development), Mineral Resources Reference Map Series No. 3, MRRM-3
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Mineral resources of Maine - Bangor sheet
John R. Rand
Maine Geological Survey (Department of Economic Development), Mineral Resource Reference Map Series No. 1, MRRM-1