Editore: US Dept. Of Interior, Geological Survey, Washington, DC/Albuquerque, NM, 1997
Da: Xochi's Bookstore & Gallery, Truth or consequences, NM, U.S.A.
Paper Back. Condizione: Very Good. No Jacket. 93pp.; SC tan w/green; some rub w/ink,cover; spine&edges sunned; clean,tight pgs. "The main purpose of this study was to observe the quality of ground water in this part of the Rio Grande Valley study unit of the U.S. Geological Survey National Water-Quality Assessment program." Water-Resources Investigations Report 96-4249.