- Minnesota Geologic Survey (MGS)
Browse by series name or search with keywords. Print maps are held in the Walter Library, search MNCAT by title.
- MGS Maps and GIS Data Downloads
All MGS maps and reports have been scanned an uploaded into the University Digital Conservancy and are available as pdf download (some GIS files are available for recent maps)
- State Geologic Surveys
Digital map may be available from state geologic surveys compiled on this site.
- USGS Publications Warehouse
Digital Index of all USGS publications, many available for download, including maps.
- OneGeology: World geologic maps
Maps are available for download or print request.
- USGS Topographic Maps (Print)
Walter library holds the latest print edition of US topographic 7.5-minute (1:24,000 scale) maps. Search the index online (or in print) to locate the quadrangle you need.
- Historic Topographic Maps
For additional scales including 1:50,000, 1:125,000, 1:250,000 and historic topographic maps, visit the Borchert Map Library.
- Topographic Map Symbols
Print legends also available on the Topographic map cases.
- USGS National Elevation Dataset
View various layers of data from all over the US, creating informative and useful maps, which can be printed or ordered in CD format
Scientific Miscellaneous Maps
- Microsoft TerraServer
Resulting from cooperative research by the USGS and Microsoft Corporation, the TerraServer provides free online access to USGS digital aerial photographs, known as digital orthophoto quadrangles, and to digital topographic maps, known as digital raster graphics.
- Google Sky
The web-based version of Google Sky first available through Google Earth. Also includes links to Google Moon and Google Mars.
GIS Tools and Data
Paleogeographic maps of ancient mountain ranges and shorelines, active plate boundaries, etc
Software and assistance for GIS related tools on campus can be found at the Automated Cartographic Information Center (ACIC), a GIS lab in Borchert Map Library.
Search and share open source GIS data.
- Regional and National GIS
Maintained by the Borchert Map Library, available for download.
- National Geophysical Data Center
Data and inventories in many disciplines are fully searchable and selected listings, data, and images can be downloaded.