At bottom of map: 'Base compiled from plane-table sheets, topographic maps of U.S. Geological Survey, railroad alignments, and General Land Office data.' Relief shown by hachures and spot heights. Shows township and range grid. Covers from southeast corner of White Pine County to Sloan and from Nye County border to Arizona-Utah border. Shows flowing wells, nonflowing wells, springs, flowing-well areas, dry holes and shore lines of ancient lakes. Scale 1:500,000 (W116°--W 114°/N 45°--N 36°). Series: Water-supply paper (Washington, D.C.), 365. Map is plate 1 from the U.S. Geological Survey water-supply paper 365.