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
Ground-Water Appraisal of the Pineland Sands Area, Central Minnesota Image Date Issued 1977 Author Helgesen, John O. Main Topic Groundwater Water Monitoring & Assessment