Preparing for the third decade (Cycle 3) of the National Water Quality Assessment (NAWQA) Program /
"The first two decades of the U.S. Geological Survey's National Water Quality Assessment (NAWQA) Program have provided a successful and useful assessment of U.S. water-quality conditions, how they have changed over time, and how natural features and human activities have affected those con...
Clasificación: | Libro Electrónico |
---|---|
Autores Corporativos: | , , |
Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
Washington, D.C. :
National Academies Press,
2012.
|
Temas: | |
Acceso en línea: | Texto completo |