1. Ground-water flow model of the Sierra Vista subwatershed and Sonoran portions of the upper San Pedro basin, southeastern Arizona, United States, and northern Sonora, Mexico Author/Creator: Pool, D. R. Publication/Creation: Reston, Va. : U.S. Geological Survey, 2007 Resource Type: Book Edition: Version 1.0. Access & Availability: Loading
2. Hydrogeologic investigations of the Sierra Vista subwatershed of the upper San Pedro Basin, Cochise County, southeast Arizona Author/Creator: Pool, D. R. Publication/Creation: Denver, CO : Information Services [distributor]. Resource Type: Book Access & Availability: Loading