Chemistry and Geophysics:

GIS coverage:

Printed Atlases

For printed atlases, Part A geology questions, or other publications contact the Minnesota Geological Survey (MGS):
MGS Map Sales, MGS Home Page, MGS Publications
2609 Territorial Rd., St. Paul, MN 55114, 612-626-2969

Spring Projects

Dye Tracing

Minnesota Spring Inventory

Springs, Springsheds, and Karst