Suggested citation and version history for Wallace, Cynthia S.A., and Leila Gass, 2008, Elevation derivatives for Mojave Desert Tortoise Habitat models: U.S. Geological Survey Open-File Report 2008-1283, 7 p. [http://pubs.usgs.gov/of/2008/1283/]. Version 1.0, September 8, 2008 Initial release online at http://pubs.usgs.gov/of/2008/1283/