Suggested citation and version history for Durst, S.L., Sogge, M.K., Stump, S.D., Walker, H.A., Kus, B.E., and Sferra, S.J., 2008, Southwestern willow flycatcher breeding sites and territory summary-- 2007: U.S. Geological Survey Open-File Report 2008-1303, 31 p. [http://pubs.usgs.gov/of/2008/1303/]. Version 1.0, September 29, 2008 Initial release online at http://pubs.usgs.gov/of/2008/1303/