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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Reconnaissance surficial geology of the Phippsburg quadrangle, Maine
Geoffrey W. Smith
Maine Geological Survey, Open-File Map 76-37
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![Reconnaissance surficial geology of the Pierce Pond [15-minute] quadrangle, Maine by Dabney W. Caldwell and Lindley S. Hanson](https://digitalmaine.com/mgs_maps/1551/thumbnail.jpg "Reconnaissance surficial geology of the Pierce Pond [15-minute] quadrangle, Maine by Dabney W. Caldwell and Lindley S. Hanson")
Reconnaissance surficial geology of the Pierce Pond [15-minute] quadrangle, Maine
Dabney W. Caldwell and Lindley S. Hanson
Maine Geological Survey, Open-File Map 76-7
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![Reconnaissance surficial geology of the Sandy Bay [15-minute] quadrangle, Maine by Dabney W. Caldwell and Lindley S. Hanson](https://digitalmaine.com/mgs_maps/1548/thumbnail.jpg "Reconnaissance surficial geology of the Sandy Bay [15-minute] quadrangle, Maine by Dabney W. Caldwell and Lindley S. Hanson")
Reconnaissance surficial geology of the Sandy Bay [15-minute] quadrangle, Maine
Dabney W. Caldwell and Lindley S. Hanson
Maine Geological Survey, Open-File Map 76-8
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![Reconnaissance surficial geology of the Seboomook Lake [15-minute] quadrangle, Maine by Andrew N. Genes, Uldis Kaktins, and Thomas Brewer](https://digitalmaine.com/mgs_maps/1555/thumbnail.jpg "Reconnaissance surficial geology of the Seboomook Lake [15-minute] quadrangle, Maine by Andrew N. Genes, Uldis Kaktins, and Thomas Brewer")
Reconnaissance surficial geology of the Seboomook Lake [15-minute] quadrangle, Maine
Andrew N. Genes, Uldis Kaktins, and Thomas Brewer
Maine Geological Survey, Open-File Map 76-16
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![Reconnaissance surficial geology of the Skinner [15-minute] quadrangle, Maine by Dabney W. Caldwell and Lindley S. Hanson](https://digitalmaine.com/mgs_maps/1547/thumbnail.jpg "Reconnaissance surficial geology of the Skinner [15-minute] quadrangle, Maine by Dabney W. Caldwell and Lindley S. Hanson")
Reconnaissance surficial geology of the Skinner [15-minute] quadrangle, Maine
Dabney W. Caldwell and Lindley S. Hanson
Maine Geological Survey, Open-File Map 76-9
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Reconnaissance surficial geology of the Small Point quadrangle, Maine
Geoffrey W. Smith
Maine Geological Survey, Open-File Map 76-38
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![Reconnaissance surficial geology of the Spencer Lake [15-minute] quadrangle, Maine by Dabney W. Caldwell, Lindley S. Hanson, and Dorothy S. Hunnewell](https://digitalmaine.com/mgs_maps/1553/thumbnail.jpg "Reconnaissance surficial geology of the Spencer Lake [15-minute] quadrangle, Maine by Dabney W. Caldwell, Lindley S. Hanson, and Dorothy S. Hunnewell")
Reconnaissance surficial geology of the Spencer Lake [15-minute] quadrangle, Maine
Dabney W. Caldwell, Lindley S. Hanson, and Dorothy S. Hunnewell
Maine Geological Survey, Open-File Map 76-10
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Reconnaissance surficial geology of the Westport quadrangle, Maine
Geoffrey W. Smith
Maine Geological Survey, Open-File Map 76-40
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Surficial geologic map of Mt. Katahdin
P Thompson Davis
Maine Geological Survey, Open-File Map 76-12. Black and white map showing moraines, talus, avalanche areas, and other surficial features of the area around Mt. Katahdin.
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![Coastal marine geologic environments of the Deer Isle SE [Isle au Haut East 7.5'] quadrangle, Maine by Barry S. Timson](https://digitalmaine.com/mgs_maps/1103/thumbnail.jpg "Coastal marine geologic environments of the Deer Isle SE [Isle au Haut East 7.5'] quadrangle, Maine by Barry S. Timson")
Coastal marine geologic environments of the Deer Isle SE [Isle au Haut East 7.5'] quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 75-27
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![Coastal marine geologic environments of the Deer Isle SW [Isle au Haut West 7.5'] quadrangle, Maine by Barry S. Timson](https://digitalmaine.com/mgs_maps/1102/thumbnail.jpg "Coastal marine geologic environments of the Deer Isle SW [Isle au Haut West 7.5'] quadrangle, Maine by Barry S. Timson")
Coastal marine geologic environments of the Deer Isle SW [Isle au Haut West 7.5'] quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 75-28
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Coastal marine geologic environments of the Matinicus quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 75-29
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Coastal marine geologic environments of the Monhegan quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 75-30
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![Coastal marine geologic environments of the Vinalhaven NE [North Haven East 7.5'] quadrangle, Maine by Barry S. Timson](https://digitalmaine.com/mgs_maps/1097/thumbnail.jpg "Coastal marine geologic environments of the Vinalhaven NE [North Haven East 7.5'] quadrangle, Maine by Barry S. Timson")
Coastal marine geologic environments of the Vinalhaven NE [North Haven East 7.5'] quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 75-31
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![Coastal marine geologic environments of the Vinalhaven NW [North Haven West 7.5'] quadrangle, Maine by Barry S. Timson](https://digitalmaine.com/mgs_maps/1104/thumbnail.jpg "Coastal marine geologic environments of the Vinalhaven NW [North Haven West 7.5'] quadrangle, Maine by Barry S. Timson")
Coastal marine geologic environments of the Vinalhaven NW [North Haven West 7.5'] quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 75-32
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![Coastal marine geologic environments of the Vinalhaven SE [Vinalhaven 7.5'] quadrangle, Maine by Barry S. Timson](https://digitalmaine.com/mgs_maps/1098/thumbnail.jpg "Coastal marine geologic environments of the Vinalhaven SE [Vinalhaven 7.5'] quadrangle, Maine by Barry S. Timson")
Coastal marine geologic environments of the Vinalhaven SE [Vinalhaven 7.5'] quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 75-33
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![Coastal marine geologic environments of the Vinalhaven SW [Leadbetter Island 7.5'] quadrangle, Maine by Barry S. Timson](https://digitalmaine.com/mgs_maps/1101/thumbnail.jpg "Coastal marine geologic environments of the Vinalhaven SW [Leadbetter Island 7.5'] quadrangle, Maine by Barry S. Timson")
Coastal marine geologic environments of the Vinalhaven SW [Leadbetter Island 7.5'] quadrangle, Maine
Barry S. Timson
Maine Geological Survey, Open-File Map 75-34
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![Reconnaissance surficial geology of the Arnold Pond [15-minute] quadrangle, Maine by Dabney W. Caldwell](https://digitalmaine.com/mgs_maps/1534/thumbnail.jpg "Reconnaissance surficial geology of the Arnold Pond [15-minute] quadrangle, Maine by Dabney W. Caldwell")
Reconnaissance surficial geology of the Arnold Pond [15-minute] quadrangle, Maine
Dabney W. Caldwell
Maine Geological Survey, Open-File Map 75-7
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![Reconnaissance surficial geology of the Columbia Falls [15-minute] quadrangle, Maine by Harold W. Borns Jr](https://digitalmaine.com/mgs_maps/1530/thumbnail.jpg "Reconnaissance surficial geology of the Columbia Falls [15-minute] quadrangle, Maine by Harold W. Borns Jr")
Reconnaissance surficial geology of the Columbia Falls [15-minute] quadrangle, Maine
Harold W. Borns Jr
Maine Geological Survey, Open-File Map 75-1
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![Reconnaissance surficial geology of the Cupsuptic [15-minute] quadrangle, Maine by Dabney W. Caldwell](https://digitalmaine.com/mgs_maps/1536/thumbnail.jpg "Reconnaissance surficial geology of the Cupsuptic [15-minute] quadrangle, Maine by Dabney W. Caldwell")
Reconnaissance surficial geology of the Cupsuptic [15-minute] quadrangle, Maine
Dabney W. Caldwell
Maine Geological Survey, Open-File Map 75-8
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![Reconnaissance surficial geology of the Eastport [15-minute] quadrangle, Maine by Harold W. Borns Jr](https://digitalmaine.com/mgs_maps/1531/thumbnail.jpg "Reconnaissance surficial geology of the Eastport [15-minute] quadrangle, Maine by Harold W. Borns Jr")
Reconnaissance surficial geology of the Eastport [15-minute] quadrangle, Maine
Harold W. Borns Jr
Maine Geological Survey, Open-File Map 75-2
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![Reconnaissance surficial geology of the Errol [15-minute] quadrangle, Maine by Dabney W. Caldwell](https://digitalmaine.com/mgs_maps/1538/thumbnail.jpg "Reconnaissance surficial geology of the Errol [15-minute] quadrangle, Maine by Dabney W. Caldwell")
Reconnaissance surficial geology of the Errol [15-minute] quadrangle, Maine
Dabney W. Caldwell
Maine Geological Survey, Open-File Map 75-9
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![Reconnaissance surficial geology of the Kennebago Lake [15-minute] quadrangle, Maine by Dabney W. Caldwell](https://digitalmaine.com/mgs_maps/1540/thumbnail.jpg "Reconnaissance surficial geology of the Kennebago Lake [15-minute] quadrangle, Maine by Dabney W. Caldwell")
Reconnaissance surficial geology of the Kennebago Lake [15-minute] quadrangle, Maine
Dabney W. Caldwell
Maine Geological Survey, Open-File Map 75-10
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Reconnaissance surficial geology of the Milan quadrangle, Maine
Dabney W. Caldwell
Maine Geological Survey, Open-File Map 75-11
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![Reconnaissance surficial geology of the Moose Bog [15-minute] quadrangle, Maine by Dabney W. Caldwell](https://digitalmaine.com/mgs_maps/1543/thumbnail.jpg "Reconnaissance surficial geology of the Moose Bog [15-minute] quadrangle, Maine by Dabney W. Caldwell")
Reconnaissance surficial geology of the Moose Bog [15-minute] quadrangle, Maine
Dabney W. Caldwell
Maine Geological Survey, Open-File Map 75-12