1. Hellenistic empires, c.275 BCE Publication/Creation: [S.l.] : Maps.com, c2000 Resource Type: Map Access & Availability: Loading
2. Hydrogeologic and geochemical characteristics of the Ogallala and White River aquifers, Cheyenne, Wyoming Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Map Access & Availability: Loading