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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Presumpscot Formation: The Rise and Fall of the Glacial Sea in Maine
Thomas K. Weddle
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-52.
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Surficial geology of the Lisbon Falls North 7.5’ quadrangle, Androscoggin, Kennebec, and Sagadahoc Counties, Maine
Thomas K. Weddle
Maine Geological Survey, Open-File Report 01-557
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Beach Pebbles Tell a Story
Henry N. Berry IV
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-42.
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A Natural Beach Bonfire in Kittery, Maine
Stephen M. Dickson
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-35.
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Burnt Island's Glacial Erratics of the Lincoln Sill
Stephen M. Dickson
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-44.
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Surficial geology of the Bridgton 7.5-minute quadrangle, Cumberland and Oxford Counties, Maine
Carol T. Hildreth
Maine Geological Survey, Open-File Report 00-139
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Surficial geology of the Casco quadrangle, Cumberland and Oxford Counties, Maine
Carol T. Hildreth
Maine Geological Survey, Open-File Report 00-142
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Lake Levels and Climate Change in Maine and Eastern North America during the last 12,000 years
Robert A. Johnston
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-45.
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The Geology of Cobscook Bay State Park
Robert A. Johnston
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-41.
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Jasper Beach, Machiasport, Maine
Joseph T. Kelley
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-39.
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A Geological Traverse along South Branch Ponds Brook Baxter State Park
Robert G. Marvinney
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-38.
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Maine Geology at the Smithsonian Institution
Robert G. Marvinney
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-37.
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Marshall Point Lighthouse and Geology Port Clyde, Maine
Robert G. Marvinney
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-36.
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Maine's Glacial Moraines: Living on the Edge
Woodrow B. Thompson
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-34.
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Surficial geology of the Norway 7.5-minute quadrangle, Oxford and Cumberland Counties, Maine
Woodrow B. Thompson
Maine Geological Survey, Open-File Report 00-137
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Surficial geology of the Waterford Flat 7.5-minute quadrangle, Oxford and Cumberland Counties, Maine
Woodrow B. Thompson
Maine Geological Survey, Open-File Report 00-136
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A General Introduction to the Presumpscot Formation Maine's "Blue Clay"
Thomas K. Weddle
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-43.
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Old Topographic Maps: Geological Tools and Records of History
Thomas K. Weddle
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-40.
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Surficial geology of the Portland East 7.5-minute quadrangle, Cumberland County, Maine
Alexa Bernotavicz
Maine Geological Survey, Open-File Report 99-126
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Surficial geology of the South Harpswell 7.5-minute quadrangle, Cumberland County, Maine
Alexa A. Bernotavicz and Mark Dubois
Maine Geological Survey, Open-File Report 99-131
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Surficial geology of the York Harbor 7.5-minute quadrangle, York County, Maine
J Michael Clinch and Patrick B. O'Toole
Maine Geological Survey, Open-File Report 99-138
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Surficial geology of the Cape Elizabeth 7.5-minute quadrangle, Cumberland County, Maine
J Michael Clinch and Woodrow B. Thompson
Maine Geological Survey, Open-File Report 99-111
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Surficial geology of the Prouts Neck 7.5-minute quadrangle, Cumberland and York Counties, Maine
J Michael Clinch and Woodrow B. Thompson
Maine Geological Survey, Open-File Report 99-128
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Penobscot Bay 10,000 Years Ago: A submarine canyon was the ancestral Penobscot River valley
Stephen M. Dickson
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-26.
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Meteorites in Maine: Is the sky falling???
Michael E. Foley
Maine Geological Survey, Geologic Facts and Localities, Circular GFL-25.