Geology Maps and Data Sets

Help with Maps and Geologic Formations

• Champaign County GIS Consortium
• Commission for the Geological Map of the World
• David Rumsey Maps
• Digital Sanborn Maps, Illinois
• Digital State Geologic Maps - USGS
• Gazetteers
  • Collins World Atlas Gazetteer
  • Columbia Gazetteer of the World
  • U.S. Gazetteer
• Geographic Names Information System - longitute & latitude, elevation, maps...
• GeoGratis - Canadian Geospatial Data
• Geologic Names Lexicon - history of nomenclature & references for articles related to formations and units, including Revisions
• Geologic Map Symbols - FGDC Digital Cartographic Standard for Geologic Map Symbolization (pdf)
• Geological Maps of Canada - Natural Resources Canada
• GEON - digital data, etc.
• GeoRef
• Government Depository Maps Used for Geoscience
• Illinois State Geological Survey Catalog of Publications and Maps (For maps go to the bottom of the page and select "only maps". Limit by county, etc. for specific maps)
• Illinois State Geological Survey Maps 
• Locations of Geologic Maps at University of Illinois
• Magnetic Declination Calculation
• Mapping the National Parks
• Maps: Dealers, Catalogs, & Indexes
• Map Librarians' Toolbox - WAML
• The National Map
• North American Stratigraphic Code
• National Geologic Map Database - USA
• National Map Viewer - USGS (also, new beta version; Try it!]
• OneGeology.org - with links to national surveys
• OpenGeoscience - British Geological Survey; geological maps, photographs, software, research output, educational materials and other geoscience information.
• Paleomap Project
• Perry-Castañeda Library Map Collection 
• TerraServer - by subscription
• Topo Map Indexes - USA
• Topographic Maps; Historical - USGS
• USGS Folio Maps - TAMU (search "usgs folio")
• U.S. Bureau of Land Management Maps
• U.S. National Atlas
• USGS Folio Maps - TAMU (search "usgs folio")
• World Stress Map Project