21. Potentiometric-surface map of the carbonate aquifer in Silurian and Devonian rocks, Lucas, Sandusky, and Wood counties, northwestern Ohio, July 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Columbus, Ohio] : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
22. Precipitation, streamflow, and base flow in west-central Texas, December 1974 through March 1977 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Austin, Texas : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading