Hydrogeologic investigations of the Sierra Vista subwatershed of the upper San Pedro Basin, Cochise County, southeast Arizona / by D.R. Pool and Alissa L. Coes ; prepared in cooperation with the Arizona Department of Water Resources and Cochise County
System requirements: Adobe Acrobat Reader. Mode of access: Internet via the USDA Web site. Address as of 10/29/03: http://az.water.usgs.gov/pubs/pdfs/WRIR%2099-4197% 20WEB.pdf; current access is available via PURL.
General Note:
Title from title screen (viewed on Oct. 29, 2003). "U.S. Department of the Interior, U.S. Geological Survey"