MAP OF SOUTHERN MINNESOTA SHOWING UNDERGROUND WATER CONDITIONS, 1910. PLATE IV OF THE USGS WATER SUPPLY PAPER 256
Washington, DC: United States Geological Survey / USGS / Government Printing Office / GPO, 1910. Map. Color folded map sheet measuring 15h X 27w inches. Topographic contours compiled from railroad levels, maps of the Geographical and Natural History Survey of Minnesota, maps of the Mississippi River Commission, topographic maps of..... More