Ground Water in Alluvial Channel Deposits: Nobles County, Minnesota Image Date Issued 1960 Author Norvitch, Ralph F. Main Topic Groundwater Hydrology Water Restoration & Protection
Occurrence of Ground Waters of Low Hardness and of High Chloride Content in Lyon County, Minnesota Image Date Issued 1960 Author Rodis, H.G. Schneider, Robert Main Topic Groundwater Water Quality & Pollutants