Colorado River

Fagan, W.F, C. Aumann, M. Kennedy, and P.J. Unmack. 2005. Rarity, fragmentation, and the scale dependence of extinction risk in desert fishes. Ecology. 86(1):34-41.

Whittier, J., C. Paukert, and K. Pitts. Lower Colorado River Basin Aquatic Gap Analysis Project, Progress Report. 2008. U.S. Geological Survey, Kansas Cooperative Fish and Wildlife Research Unit, and Division of Biology, Kansas State University. 21 p.