Monitoring colonias along the United States-Mexico border [electronic resource] / [Laura M. Norman, Jean W. Parcher, and Alven H. Lam] ; in cooperation with U.S. Department of Housing and Urban Development and Instituto Nacional de Estadistica Geografia e Informatica.
Imprint
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2004]
Mode of access: Internet from the USGS web site. Address as of 8/7/08: http://erg.usgs.gov/isb/pubs/factsheets/fs307004.pdf; current access available via PURL.