Suggested citation and version history for Ralston, Barbara E., Davis, Philip A., Weber, Robert M., and Rundall, Jill M., 2008, A vegetation database for the Colorado River ecosystem from Glen Canyon Dam to the western boundary of Grand Canyon National Park, Arizona: U.S. Geological Survey Open-File Report 2008-1216, 37 p. [http://pubs.usgs.gov/of/2008/1216/]. Version 1.0, July 2, 2008 Initial release online at http://pubs.usgs.gov/of/2008/1216/