Suggested citation and version history for Coggins, L.G., Jr., 2008, Abundance trends and status of the Little Colorado River population of humpback chub; an update considering 1989-2006 data: U.S. Geological Survey Open-File Report 2007-1402, 53 p. [http://pubs.usgs.gov/of/2007/1402/]. Version 1.0, January 29, 2008 Initial release online at http://pubs.usgs.gov/of/2007/1402/