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 geology of the Lewiston 1 x 2 degree quadrangle, Maine
Woodrow B. Thompson
Maine Geological Survey, Open-File Map 87-7.
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Surficial geology of the Millinocket 1 x 2 degree quadrangle, Maine
Lindley S. Hanson, Dabney W. Caldwell, and Thomas V. Lowell
Maine Geological Survey, Open-File Map 87-12.
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Surficial geology of the Portland 1 x 2 degree quadrangle, Maine
Woodrow B. Thompson
Maine Geological Survey, Open-File Map 87-6.
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Surficial geology of the Presque Isle 1 x 2 degree quadrangle, Maine
Thomas V. Lowell
Maine Geological Survey, Open-File Map 87-15
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Surficial geology of the Quebec 1 x 2 degree quadrangle, Maine
Thomas V. Lowell
Maine Geological Survey, Open-File Map 87-14.
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Surficial geology of the Sherbrooke 1 x 2 degree quadrangle, Maine
Dabney W. Caldwell and Thomas V. Lowell
Maine Geological Survey, Open-File Map 87-11.
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Surficial geology of the Woodstock 1 x 2 degree quadrangle, Maine
Thomas V. Lowell
Maine Geological Survey, Open-File Map 87-16
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Lineaments, high-yield bedrock wells, and potential bedrock recharge areas in the Bangor 2 degree sheet
Consultant Consultant
Maine Geological Survey, Open-File Map 86-69. Bangor
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Lineaments, high-yield bedrock wells, and potential bedrock recharge areas in the Maine portion of the Eastport 2 degree sheet
Consultant Consultant
Maine Geological Survey, Open-File Map 86-70. Eastport
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Lineaments, high-yield bedrock wells, and potential bedrock recharge areas in the Maine portion of the Lewiston 2 degree sheet
Consultant Consultant
Maine Geological Survey, Open-File Map 86-68. Lewiston
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Lineaments, high-yield bedrock wells, and potential bedrock recharge areas in the Maine portion of the Portland and Bath 2 degree sheets
Consultant Consultant
Maine Geological Survey, Open-File Map 86-67. Portland and Bath
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Lineaments, high-yield bedrock wells, and potential bedrock recharge areas in the Maine portion of the Sherbrooke 2 degree sheet
Consultant Consultant
Maine Geological Survey, Open-File Map 86-71. Sherbrooke
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Preliminary report on the bedrock geology of the Devils Head, Robbinston, and Red Beach 7.5-minute quadrangles, Maine
Richard N. Abbott Jr
Maine Geological Survey, Open-File Report 86-73
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![Reconnaissance surficial geology of the Allagash [15-minute] quadrangle, Maine by Thomas V. Lowell](https://digitalmaine.com/mgs_maps/1746/thumbnail.jpg "Reconnaissance surficial geology of the Allagash [15-minute] quadrangle, Maine by Thomas V. Lowell")
Reconnaissance surficial geology of the Allagash [15-minute] quadrangle, Maine
Thomas V. Lowell
Maine Geological Survey, Open-File Map 86-40
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![Reconnaissance surficial geology of the Allagash Falls [15-minute] quadrangle, Maine by Thomas V. Lowell](https://digitalmaine.com/mgs_maps/1748/thumbnail.jpg "Reconnaissance surficial geology of the Allagash Falls [15-minute] quadrangle, Maine by Thomas V. Lowell")
Reconnaissance surficial geology of the Allagash Falls [15-minute] quadrangle, Maine
Thomas V. Lowell
Maine Geological Survey, Open-File Map 86-41
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![Reconnaissance surficial geology of the Anson [15-minute] quadrangle, Maine by Dabney W. Caldwell](https://digitalmaine.com/mgs_maps/1614/thumbnail.jpg "Reconnaissance surficial geology of the Anson [15-minute] quadrangle, Maine by Dabney W. Caldwell")
Reconnaissance surficial geology of the Anson [15-minute] quadrangle, Maine
Dabney W. Caldwell
Maine Geological Survey, Open-File Map 86-28
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![Reconnaissance surficial geology of the Beau Lake [15-minute] quadrangle, Maine by Thomas V. Lowell](https://digitalmaine.com/mgs_maps/1747/thumbnail.jpg "Reconnaissance surficial geology of the Beau Lake [15-minute] quadrangle, Maine by Thomas V. Lowell")
Reconnaissance surficial geology of the Beau Lake [15-minute] quadrangle, Maine
Thomas V. Lowell
Maine Geological Survey, Open-File Map 86-42
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![Reconnaissance surficial geology of the Big Lake [15-minute] quadrangle, Maine by William R. Holland](https://digitalmaine.com/mgs_maps/1627/thumbnail.jpg "Reconnaissance surficial geology of the Big Lake [15-minute] quadrangle, Maine by William R. Holland")
Reconnaissance surficial geology of the Big Lake [15-minute] quadrangle, Maine
William R. Holland
Maine Geological Survey, Open-File Map 86-61
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![Reconnaissance surficial geology of the Brooks [15-minute] quadrangle, Maine by Geoffrey W. Smith and Woodrow B. Thompson](https://digitalmaine.com/mgs_maps/1724/thumbnail.jpg "Reconnaissance surficial geology of the Brooks [15-minute] quadrangle, Maine by Geoffrey W. Smith and Woodrow B. Thompson")
Reconnaissance surficial geology of the Brooks [15-minute] quadrangle, Maine
Geoffrey W. Smith and Woodrow B. Thompson
Maine Geological Survey, Open-File Map 86-2
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![Reconnaissance surficial geology of the Burnham [15-minute] quadrangle, Maine by Geoffrey W. Smith](https://digitalmaine.com/mgs_maps/1719/thumbnail.jpg "Reconnaissance surficial geology of the Burnham [15-minute] quadrangle, Maine by Geoffrey W. Smith")
Reconnaissance surficial geology of the Burnham [15-minute] quadrangle, Maine
Geoffrey W. Smith
Maine Geological Survey, Open-File Map 86-3
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![Reconnaissance surficial geology of the Caribou [15-minute] quadrangle, Maine by Andrew N. Genes](https://digitalmaine.com/mgs_maps/1618/thumbnail.jpg "Reconnaissance surficial geology of the Caribou [15-minute] quadrangle, Maine by Andrew N. Genes")
Reconnaissance surficial geology of the Caribou [15-minute] quadrangle, Maine
Andrew N. Genes
Maine Geological Survey, Open-File Map 86-59
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![Reconnaissance surficial geology of the Castine [15-minute] quadrangle, Maine by Woodrow B. Thompson and Geoffrey W. Smith](https://digitalmaine.com/mgs_maps/1726/thumbnail.jpg "Reconnaissance surficial geology of the Castine [15-minute] quadrangle, Maine by Woodrow B. Thompson and Geoffrey W. Smith")
Reconnaissance surficial geology of the Castine [15-minute] quadrangle, Maine
Woodrow B. Thompson and Geoffrey W. Smith
Maine Geological Survey, Open-File Map 86-9
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![Reconnaissance surficial geology of the Depot Lake [15-minute] quadrangle, Maine by Thomas V. Lowell](https://digitalmaine.com/mgs_maps/1750/thumbnail.jpg "Reconnaissance surficial geology of the Depot Lake [15-minute] quadrangle, Maine by Thomas V. Lowell")
Reconnaissance surficial geology of the Depot Lake [15-minute] quadrangle, Maine
Thomas V. Lowell
Maine Geological Survey, Open-File Map 86-43
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![Reconnaissance surficial geology of the Farmington [15-minute] quadrangle, Maine by Dabney W. Caldwell](https://digitalmaine.com/mgs_maps/1613/thumbnail.jpg "Reconnaissance surficial geology of the Farmington [15-minute] quadrangle, Maine by Dabney W. Caldwell")
Reconnaissance surficial geology of the Farmington [15-minute] quadrangle, Maine
Dabney W. Caldwell
Maine Geological Survey, Open-File Map 86-29
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![Reconnaissance surficial geology of the First Roach Pond [15-minute] quadrangle, Maine by Dabney W. Caldwell, Lindley S. Hanson, and Thomas Brewer](https://digitalmaine.com/mgs_maps/1615/thumbnail.jpg "Reconnaissance surficial geology of the First Roach Pond [15-minute] quadrangle, Maine by Dabney W. Caldwell, Lindley S. Hanson, and Thomas Brewer")
Reconnaissance surficial geology of the First Roach Pond [15-minute] quadrangle, Maine
Dabney W. Caldwell, Lindley S. Hanson, and Thomas Brewer
Maine Geological Survey, Open-File Map 86-30