Aquifers, GIS, and technical studies

Aquifers and geology

• Designation of principal water-supply aquifers in Minnesota (U.S. Geological Survey WRI 81-51)   (337 Kb)
• Bedrock map of Minnesota, 1:1,000,000 (Minnesota Geological Survey map S-20)   (1 Mb) 

Geographic Information System (GIS) data resources

• County Geologic Atlas and Regional Hydrogeologic Assessment series
• Quaternary hydrogeologic map of Minnesota, 1:500,000 (Minnesota Geological Survey map S-3) 
• Bedrock hydrogeologic map of Minnesota, 1:500,000 (Minnesota Geological Survey map S-2) 
• Quaternary geologic map of Minnesota, 1:500,000 (Minnesota Geological Survey map S-1)  
• Bedrock map of Minnesota, 1:1,000,000 (Minnesota Geological Survey map S-20) 
• Find more GIS data
  • Minnesota geographic data clearinghouse 
  • Minnesota Department of Natural Resources data deli
  • MetroGIS - GIS data for the Twin Cities metropolitan area 

Ground water modeling

• Twin Cities metropolitan ground water model 

Geophysics

• Reports of geophysical investigations
• Geophysics data access

Ground water special studies

• Hydraulic Impacts of Quarries and Gravel Pits
• Hydrogeology of the Rock River Watershed, Minnesota and Associated Off-Channel Habitats of the Topeka Shiner, April 2004
• Shallow Buried Aquifers of Murray County
• Lake-Ground Water Interaction Study at White Bear Lake, Minnesota, June 1998 (4.4 Mb)
• Baseline vegetation survey of Fairchild Calcareous Fen
• Vegetation status report of Sioux Nation Calcareous Fen
• DNR Waters publications