Distribution and abundance of submersed aquatic vegetation in the tidal Potomac River and upper Potomac Estuary, Maryland, Virginia, and the District of Columbia, 1993-1998 / / by Henry A. Ruhl [and three others] |
Autore | Ruhl H. A (Henry A.) |
Pubbl/distr/stampa | Reston, Virginia : , : U.S. Geological Survey, , 1999 |
Descrizione fisica | 1 online resource (iv, 39 pages) : illustrations |
Collana | U.S. Geological Survey open-file report |
Soggetto topico |
Aquatic plants - Potomac River
Water quality - Potomac River |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910703577603321 |
Ruhl H. A (Henry A.) | ||
Reston, Virginia : , : U.S. Geological Survey, , 1999 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|
Nutrient and suspended-sediment concentrations, trends, loads, and yields from the nontidal part of the Susquehanna, Potomac, Patuxent, and Choptank rivers, 1985-96 / / by Linda C. Darrell [and three others] ; in cooperation with the Maryland Department of Natural Resources, Tidewater Ecosystem Assessment |
Autore | Darrell Linda C. |
Pubbl/distr/stampa | Baltimore, Maryland : , : U.S. Dept. of the Interior, U.S. Geological Survey, , 1999 |
Descrizione fisica | 1 online resource (v, 39 pages) : illustrations, color map |
Collana | Water-resources investigations report |
Soggetto topico |
Nutrient pollution of water - Maryland
Suspended sediments - Maryland Water quality - Maryland - Measurement Nutrient pollution of water Suspended sediments Water quality - Measurement |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910716838403321 |
Darrell Linda C. | ||
Baltimore, Maryland : , : U.S. Dept. of the Interior, U.S. Geological Survey, , 1999 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|
The Potomac River basin : geographic history - rainfall and stream flow - pollution, typhoid fever, and character of water - relation of soils and forest cover to quality and quantity of surface water - effect of industrial wastes on fishes / / by Horatio N. Parker [four others] |
Autore | Parker Horatio N. |
Pubbl/distr/stampa | [Washington, D.C.] : , : Department of the Interior, United States Geological Survey, , 1907 |
Descrizione fisica | 1 online resource (vi, 364 pages, 7 pages of plates) : illustrations, maps |
Collana |
Water-supply and irrigation paper
Series H, forestry, 14 Series L, quality of water Series M, general hydrographic investigations |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Altri titoli varianti | Potomac River basin |
Record Nr. | UNINA-9910711869503321 |
Parker Horatio N. | ||
[Washington, D.C.] : , : Department of the Interior, United States Geological Survey, , 1907 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|
Primary productivity by phytoplankton in the tidal, fresh Potomac River, Maryland, May 1980 to August 1981 / / by Ronald R.H. Cohen and Sheryl O. Pollock |
Autore | Cohen Ronald R. H. |
Pubbl/distr/stampa | Reston, Va. : , : U.S. Geological Survey, , 1983 |
Descrizione fisica | 1 online resource (76 pages) : illustrations, maps |
Collana | Water-resources investigations report |
Soggetto topico |
Phytoplankton - Potomac River
Freshwater phytoplankton - Potomac River Freshwater phytoplankton Phytoplankton |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910713882403321 |
Cohen Ronald R. H. | ||
Reston, Va. : , : U.S. Geological Survey, , 1983 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|
Time of travel of water in the Potomac River, Cumberland to Washington / / by James K. Searcy and Luther C. Davis. Jr |
Autore | Searcy James K (James Kincheon), <1909-> |
Pubbl/distr/stampa | Washington, D.C. : , : United States Department of the Interior, Geological Survey, , 1961 |
Descrizione fisica | 1 online resource (iii, 12 pages) : illustrations, map |
Collana | Geological Survey Circular |
Soggetto topico |
Stream measurements - Potomac River
Stream measurements |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910711364403321 |
Searcy James K (James Kincheon), <1909-> | ||
Washington, D.C. : , : United States Department of the Interior, Geological Survey, , 1961 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|