Water Resources Data for Minnesota, 1971 Image Date Issued 1973 Author US Geological Survey Main Topic Surface Water Water Quality & Pollutants Water Education, Outreach & Community Capacity Water Use & Availability
Appraisal of Ground Water for Irrigation in the Little Falls Area, Morrison County, Minnesota Image Date Issued 1973 Author Helgesen, John O. Main Topic Groundwater Water Monitoring & Assessment Water Use & Availability
Hydrogeology of Glacial Drift, Mesabi Iron Range, Northeastern Minnesota Image Date Issued 1973 Author Winter, Thomas C. Main Topic Hydrology Groundwater
