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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Coastal marine geologic environments of the Wells quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 76-138
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Coastal marine geologic environments of the West Lubec quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 76-139
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Coastal marine geologic environments of the Westport quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 76-140
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Coastal marine geologic environments of the Whiting quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 76-141
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Coastal marine geologic environments of the Whitneyville quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 76-142
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Coastal marine geologic environments of the Wiscasset quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 76-143
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Coastal marine geologic environments of the Yarmouth quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 76-144
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Coastal marine geologic environments of the York Beach quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 76-145
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Coastal marine geologic environments of the York Harbor quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 76-146
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![Preliminary report on the geology of the Liberty 15' quadrangle and adjoining parts of the Burnham, Brooks, Belfast, and Vassalboro [15-minute] quadrangles in south-central Maine by Kost A. Pankiwskyj](https://digitalmaine.com/mgs_maps/1110/thumbnail.jpg "Preliminary report on the geology of the Liberty 15' quadrangle and adjoining parts of the Burnham, Brooks, Belfast, and Vassalboro [15-minute] quadrangles in south-central Maine by Kost A. Pankiwskyj")
Preliminary report on the geology of the Liberty 15' quadrangle and adjoining parts of the Burnham, Brooks, Belfast, and Vassalboro [15-minute] quadrangles in south-central Maine
Kost A. Pankiwskyj
Maine Geological Survey, Open-File Report 76-29
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![Reconnaissance bedrock geology of the Bangor [15-minute] quadrangle by John R. Griffin](https://digitalmaine.com/mgs_maps/1107/thumbnail.jpg "Reconnaissance bedrock geology of the Bangor [15-minute] quadrangle by John R. Griffin")
Reconnaissance bedrock geology of the Bangor [15-minute] quadrangle
John R. Griffin
Maine Geological Survey, Open-File Map 76-23
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![Reconnaissance bedrock geology of the Great Pond [15-minute] quadrangle, Maine by John R. Griffin](https://digitalmaine.com/mgs_maps/1106/thumbnail.jpg "Reconnaissance bedrock geology of the Great Pond [15-minute] quadrangle, Maine by John R. Griffin")
Reconnaissance bedrock geology of the Great Pond [15-minute] quadrangle, Maine
John R. Griffin
Maine Geological Survey, Open-File Map 76-22
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![Reconnaissance bedrock geology of the Orono [15-minute] quadrangle, Maine by John R. Griffin](https://digitalmaine.com/mgs_maps/1105/thumbnail.jpg "Reconnaissance bedrock geology of the Orono [15-minute] quadrangle, Maine by John R. Griffin")
Reconnaissance bedrock geology of the Orono [15-minute] quadrangle, Maine
John R. Griffin
Maine Geological Survey, Open-File Map 76-21
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![Reconnaissance bedrock geology of the Passadumkeag [15-minute] quadrangle, Maine by John R. Griffin](https://digitalmaine.com/mgs_maps/1108/thumbnail.jpg "Reconnaissance bedrock geology of the Passadumkeag [15-minute] quadrangle, Maine by John R. Griffin")
Reconnaissance bedrock geology of the Passadumkeag [15-minute] quadrangle, Maine
John R. Griffin
Maine Geological Survey, Open-File Map 76-24
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![Reconnaissance bedrock geology of the Saponac [15-minute] quadrangle, Maine by John R. Griffin](https://digitalmaine.com/mgs_maps/1109/thumbnail.jpg "Reconnaissance bedrock geology of the Saponac [15-minute] quadrangle, Maine by John R. Griffin")
Reconnaissance bedrock geology of the Saponac [15-minute] quadrangle, Maine
John R. Griffin
Maine Geological Survey, Open-File Map 76-19
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![Reconnaissance surficial geology of the Attean [15-minute] quadrangle, Maine by Dabney W. Caldwell and Lindley S. Hanson](https://digitalmaine.com/mgs_maps/1552/thumbnail.jpg "Reconnaissance surficial geology of the Attean [15-minute] quadrangle, Maine by Dabney W. Caldwell and Lindley S. Hanson")
Reconnaissance surficial geology of the Attean [15-minute] quadrangle, Maine
Dabney W. Caldwell and Lindley S. Hanson
Maine Geological Survey, Open-File Map 76-4.
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![Reconnaissance surficial geology of the Bingham [15-minute] quadrangle, Maine by Uldis Kaktins, Thomas Brewer, and Dabney W. Caldwell](https://digitalmaine.com/mgs_maps/1556/thumbnail.jpg "Reconnaissance surficial geology of the Bingham [15-minute] quadrangle, Maine by Uldis Kaktins, Thomas Brewer, and Dabney W. Caldwell")
Reconnaissance surficial geology of the Bingham [15-minute] quadrangle, Maine
Uldis Kaktins, Thomas Brewer, and Dabney W. Caldwell
Maine Geological Survey, Open-File Map 76-25
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Reconnaissance surficial geology of the Boothbay Harbor quadrangle, Maine
Geoffrey W. Smith
Maine Geological Survey, Open-File Map 76-33
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![Reconnaissance surficial geology of the Brassua Lake [15-minute] quadrangle, Maine by Dabney W. Caldwell and Lindley S. Hanson](https://digitalmaine.com/mgs_maps/1550/thumbnail.jpg "Reconnaissance surficial geology of the Brassua Lake [15-minute] quadrangle, Maine by Dabney W. Caldwell and Lindley S. Hanson")
Reconnaissance surficial geology of the Brassua Lake [15-minute] quadrangle, Maine
Dabney W. Caldwell and Lindley S. Hanson
Maine Geological Survey, Open-File Map 76-5
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Reconnaissance surficial geology of the Bristol quadrangle, Maine
Geoffrey W. Smith
Maine Geological Survey, Open-File Map 76-34
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![Reconnaissance surficial geology of The Forks [15-minute] quadrangle, Maine by Uldis Kaktins and Dabney W. Caldwell](https://digitalmaine.com/mgs_maps/1557/thumbnail.jpg "Reconnaissance surficial geology of The Forks [15-minute] quadrangle, Maine by Uldis Kaktins and Dabney W. Caldwell")
Reconnaissance surficial geology of The Forks [15-minute] quadrangle, Maine
Uldis Kaktins and Dabney W. Caldwell
Maine Geological Survey, Open-File Map 76-26.
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![Reconnaissance surficial geology of the Long Pond [15-minute] quadrangle, Maine by Dabney W. Caldwell and Lindley S. Hanson](https://digitalmaine.com/mgs_maps/1549/thumbnail.jpg "Reconnaissance surficial geology of the Long Pond [15-minute] quadrangle, Maine by Dabney W. Caldwell and Lindley S. Hanson")
Reconnaissance surficial geology of the Long Pond [15-minute] quadrangle, Maine
Dabney W. Caldwell and Lindley S. Hanson
Maine Geological Survey, Open-File Map 76-6
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Reconnaissance surficial geology of the Louds Island quadrangle, Maine
Geoffrey W. Smith
Maine Geological Survey, Open-File Map 76-36
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![Reconnaissance surficial geology of the North East Carry [15-minute] quadrangle, Maine by Thomas Brewer and Dabney W. Caldwell](https://digitalmaine.com/mgs_maps/1546/thumbnail.jpg "Reconnaissance surficial geology of the North East Carry [15-minute] quadrangle, Maine by Thomas Brewer and Dabney W. Caldwell")
Reconnaissance surficial geology of the North East Carry [15-minute] quadrangle, Maine
Thomas Brewer and Dabney W. Caldwell
Maine Geological Survey, Open-File Map 76-2
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![Reconnaissance surficial geology of the Penobscot Lake [15-minute] quadrangle, Maine by Andrew N. Genes, Dabney W. Caldwell, and Lindley S. Hanson](https://digitalmaine.com/mgs_maps/1554/thumbnail.jpg "Reconnaissance surficial geology of the Penobscot Lake [15-minute] quadrangle, Maine by Andrew N. Genes, Dabney W. Caldwell, and Lindley S. Hanson")
Reconnaissance surficial geology of the Penobscot Lake [15-minute] quadrangle, Maine
Andrew N. Genes, Dabney W. Caldwell, and Lindley S. Hanson
Maine Geological Survey, Open-File Map 76-15