University of Nebraska, Conservation and Survey DivisionBlack and white map of Nebraska divided by counties. "Map of Nebraska showing as of the fall of 1963 areas where the water table has risen or declined 5 feet or more from the mean of the period of record."PDFhttps://digitalcommons.unl.edu/conservationsurvey/259engUniversity of Nebraska, Conservation and Survey DivisionPublicGroundwaterNebraska Groundwater Level Map (Decline & Rise), Fall 1963MapsNebraskaFall 1963University of Nebraska-Lincoln