Vigilando la calidad del agua de los grandes de la nación
Subtitle: el Programa NASQAN del Rio Grande (Rio Bravo del Norte).
Contributors: Geological Survey (U.S.)
Series: USGS fact sheet -- FS-083-98.; Fact sheet (Geological Survey (U.S.)) -- FS-98-083.
Publisher: U.S. Geological Survey, U.S. Dept. of the Interior
Published: 1998
Place of publication: [Reston, Va.?
Language: spa
Subjects: National Stream Quality Accounting Network (U.S.); Water quality -- Rio Grande Watershed.; Rio Grande Watershed -- Environmental conditions.
Other titles: Programa NASQAN del Rio Grande (Rio Bravo del Norte)
Notes: Caption title.

Shipping list no.: 99-0146-P.

Includes bibliographical references (p. [4]).