INFORMATION ABOUT:

• Maine Geological Survey
• Explore!
• Using geologic maps
• Maps, publications, data
  • Online Maps
    • Beach and dune geology
    • Bedrock geology
    • Bedrock ground water
    • Coastal bluffs
    • Coastal landslides
    • Earthquakes
    • Inner continental shelf
    • Lakes
    • Landslide susceptibility
    • Sand and gravel aquifers
    • Surficial geology
    • Surficial materials
• Educational materials
• Related links

Online Surficial Geology Maps

You will need the free Adobe Reader to view these maps. If you need assistance, view our PDF Help page or contact us at mgs@maine.gov.

Regional Maps

• Simplified Surficial Geologic Map of Maine (2.1 Mb PDF file) An 11" x 17" color map showing the simplified surficial geology of Maine. Inset map shows maximum ice extent. The map also includes a generalized geologic cross section and block diagrams showing glacial recession in southern Maine.
  • Note - This map is online only, there is no printed version.
  
  
• Surficial Geology of Mount Desert Island (2.5 Mb PDF file) 1988, 23" x 29" color map. Includes locations of sites of geologic interest.
  • The Geology of Mount Desert Island - A Visitor's Guide to the Geology of Acadia National Park, Bulletin 38. Popular guide to park geology.
  
  
• Surficial Geology of the Kittery 1:100,000 Quadrangle (11.5 Mb PDF file) 2007, 44" x 27" color shaded relief map.
  • Glacial Ice-Flow Indicators in the Kittery 1:100,000 Quadrangle (11.0 Mb PDF file) 2007, 44" x 27" color shaded relief map with photos.
  • Deglaciation Features in the Kittery 1:100,000 Quadrangle (9.3 Mb PDF file) 2007, 44" x 27" color shaded relief map with photos.
  
  
• Surficial Geology of the Lewiston 1:100,000 Quadrangle (44.0 Mb PDF file) 2008, 43" x 26.5" color shaded relief map.
  • Glacial Ice-Flow Indicators in the Lewiston 1:100,000 Quadrangle (27.9 Mb PDF file) 2008, 43" x 26.5" color shaded relief map with photos.
  • Deglaciation Features in the Lewiston 1:100,000 Quadrangle (27.3 Mb PDF file) 2008, 43" x 26.5" color shaded relief map with photos.
  
  
• Surficial Geology of the Portland 1:100,000 Quadrangle (26.4 Mb PDF file) 2007, 44" x 27" color shaded relief map.
  • Glacial Ice-Flow Indicators in the Portland 1:100,000 Quadrangle (18.1 Mb PDF file) 2007, 44" x 27" color shaded relief map with photos.
  • Deglaciation Features in the Portland 1:100,000 Quadrangle (16.8 Mb PDF file) 2007, 44" x 27" color shaded relief map with photos.
  
  

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Detailed Surficial Geology Quadrangles (scale 1:24,000)

• Related links:
  • Description of detailed surficial geology map series
  • Tips for reading detailed surficial geology maps

The quadrangle names in the following list link to PDF files of surficial geology maps. Each PDF file is approximately 2.5 MB in size. PDF files of sidebars specific to individual maps are listed below the respective quadrangle names. The remaining quadrangles have a generic sidebar.

Alfred Augusta sidebar Bangor sidebar Bar Mills Bath Belgrade Bethel sidebar Biddeford Biddeford Pool Bowdoinham Bridgton Brownfield Brunswick sidebar Bryant Pond sidebar Buckfield Canton sidebar Cape Elizabeth Casco Center Lovell China Lake sidebar Cornish Cumberland Center Dover East East Stoneham sidebar Farmington Fayette Freeport Fryeburg Gardiner sidebar Gilead sidebar Gorham Gray sidebar Great East Lake Greenbush sidebar

Greenwood sidebar Hermon sidebar Hiram Kennebunk Kennebunkport Kezar Falls Kingfield sidebar Kittery Lake Auburn East Lake Auburn West sidebar Lewiston Limerick Limington Lisbon Falls North Lisbon Falls South sidebar Livermore Falls Mechanic Falls Milton Minot Monmouth Mount Zircon sidebar Mousam Lake Naples New Portland New Vineyard North Berwick North Pownal North Sebago North Waterford North Windham sidebar Norway sidebar Old Orchard Beach Old Town Oxford sidebar Phillips sidebar Pleasant Mtn

Portland East Portland West sidebar Portsmouth Prouts Neck Purgatory Raymond Readfield Richmond sidebar Rochester Sanford Sebago Lake sidebar Somersworth South Harpswell Southwest Harbor Speckled Mountain sidebar Standish Steep Falls Strong sidebar Togus Pond sidebar Turner Center Vassalboro Veazie Waterboro Waterford Flat sidebar Wayne Wells Weeks Mills sidebar West Newfield West Paris sidebar West Sumner Winthrop sidebar Worthley Pond sidebar Yarmouth York Beach York Harbor

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Last updated on October 15, 2009

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