National water-quality assessment program
Subtitle: water use in the Rio Grande Valley, 1990
By: U.S. Department of the Interior, U.S. Geological Survey.
Contributors: Geological Survey (U.S.)
Series: Water fact sheet; Open-file report -- 93-456.; U.S. Geological Survey open-file report -- 93-456.
Publisher: The Survey
Published: 1993
Place of publication: [Reston, Va.?]
Language: eng
Subjects: Water quality -- Mexico -- Rio Grande Valley.; Water quality management -- Mexico -- Rio Grande Valley.
Other titles: National water quality assessment program, water use in the Rio Grande Valley, 1990.
Notes: Shipping list no.: 94-0009-P.