1. Potential hydrologic effects of mining in the Humboldt River basin, northern Nevada Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Carson City, Nevada : U.S. Department of the Interior, U.S. Geological Survey, 1995 Resource Type: Map Access & Availability: Loading
2. Potentiometric surface of the Sparta and Memphis aquifers in eastern Arkansas, April through July 1993 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : U.S. Department of the Interior, U.S. Geological Survey, 1995 Resource Type: Map Access & Availability: Loading