Hydrogeologic reconnaissance of the Republican River basin, Nebraska

Information resulting from a hydrogeologic reconnaissance of the 9,710 mi² area of the Republican River basin in Nebraska is summarized in this report on three maps as followed.

Sheet 1. Configuration of Cretaceous bedrock surface.

Sheet 2. Configuration of water table, spring 1977.

Sheet 3. Areas of significant water-level rises and declines as of spring 1977.