Land-cover trends of the Southern California Mountains ecoregion [electronic resource] / [by Christopher E. Soulard, Christian G. Raumann, and Tamara S. Wilson].
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007.
Mode of access: Internet from the USGS web site. Address as of 02/12/08: http://pubs.usgs.gov/sir/2007/5235/sir2007-5235.pdf; current access available via PURL.
Note
Title from title screen (viewed on Feb. 12, 2008).
