Vista normal Vista MARC Vista ISBD

Opportunities to improve the U.S. Geological Survey National Water Quality Assessment Program / Committee to Improve the U.S. Geological Survey National Water Quality Assessment Program, Water Science and Technology Board, Division on Earth and Life Studies, National Research Council - xiii, 238 páginas : ilustraciones, mapas

ISBN: 0309083052

Subjects--Corporate Names:
National Water-Quality Assessment Program (Estados Unidos)

Subjects--Topical Terms:
Calidad del agua--Medición--Estados Unidos

LC Class. No.: TD223 / O66