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External quality-assurance results for the National Atmospheric Deposition Program/National Trends Network during 1989 / / by Timothy C. Willoughby [and three others]
| External quality-assurance results for the National Atmospheric Deposition Program/National Trends Network during 1989 / / by Timothy C. Willoughby [and three others] |
| Autore | Willoughby Timothy C. |
| Pubbl/distr/stampa | Denver, Colorado : , : U.S. Geological Survey, , 1991 |
| Descrizione fisica | 1 online resource (iv, 26 pages) : illustrations, map |
| Collana | Water resources investigations report |
| Soggetto topico |
Acid deposition - United States
Acid deposition |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910715321603321 |
Willoughby Timothy C.
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| Denver, Colorado : , : U.S. Geological Survey, , 1991 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Quality of wet deposition in the Grand Calumet River Watershed, northwestern Indiana, April 29, 1997-April 28, 1998 / / by Timothy C. Willoughby ; prepared in cooperation with the Indiana Department of Environmental Management
| Quality of wet deposition in the Grand Calumet River Watershed, northwestern Indiana, April 29, 1997-April 28, 1998 / / by Timothy C. Willoughby ; prepared in cooperation with the Indiana Department of Environmental Management |
| Autore | Willoughby Timothy C. |
| Pubbl/distr/stampa | Indianapolis, Indiana : , : U.S. Department of the Interior, U.S. Geological Survey, , 2000 |
| Descrizione fisica | 1 online resource (v, 55 pages) : illustrations, maps |
| Collana | Water-resources investigations report |
| Soggetto topico |
Air - Pollution - Grand Calumet River Watershed (Ind. and Ill.)
Air - Pollution - Indiana - Measurement Atmospheric deposition - Grand Calumet River Watershed (Ind. and Ill.) Atmospheric deposition - Indiana - Measurement Air - Pollution Air - Pollution - Measurement Atmospheric deposition Atmospheric deposition - Measurement |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910715065503321 |
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Willoughby Timothy C.
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| Indianapolis, Indiana : , : U.S. Department of the Interior, U.S. Geological Survey, , 2000 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Quality of wet deposition in the Grand Calumet River Watershed, Northwestern Indiana, October 17, 1995-November 12, 1996 / / by Timothy C. Willoughby
| Quality of wet deposition in the Grand Calumet River Watershed, Northwestern Indiana, October 17, 1995-November 12, 1996 / / by Timothy C. Willoughby |
| Autore | Willoughby Timothy C. |
| Pubbl/distr/stampa | Indianapolis, Indiana : , : U.S. Department of the Interior, U.S. Geological Survey, , 2000 |
| Descrizione fisica | 1 online resource (v, 47 pages) : illustrations, maps |
| Collana | Water-resources investigations report |
| Soggetto topico |
Atmospheric deposition - Grand Calumet River Watershed (Ind. and Ill.)
Air - Pollution - Grand Calumet River Watershed (Ind. and Ill.) Air - Pollution - Indiana Air - Pollution Air - Pollution - Measurement Atmospheric deposition - Measurement |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910713704003321 |
|
Willoughby Timothy C.
|
||
| Indianapolis, Indiana : , : U.S. Department of the Interior, U.S. Geological Survey, , 2000 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Stability of nitrate-ion concentrations in simulated deposition samples used for quality-assurance activities by the U.S. Geological Survey / / by Timothy C. Willoughby, Randolph B. See, and LeRoy J. Schroder
| Stability of nitrate-ion concentrations in simulated deposition samples used for quality-assurance activities by the U.S. Geological Survey / / by Timothy C. Willoughby, Randolph B. See, and LeRoy J. Schroder |
| Autore | Willoughby Timothy C. |
| Pubbl/distr/stampa | Denver, Colorado : , : U.S. Geological Survey, , 1989 |
| Descrizione fisica | 1 electronic resource (v, 15 pages) : illustrations |
| Collana | Water-resources investigations report |
| Soggetto topico |
Acid deposition - Sampling - United States
Acid deposition - Sampling - Quality control Nitrification - Testing Acid deposition Nitrification |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910715394503321 |
|
Willoughby Timothy C.
|
||
| Denver, Colorado : , : U.S. Geological Survey, , 1989 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||