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Nitrate and pesticides in surficial aquifers and trophic state and phosphorus sources for selected lakes, eastern Otter Tail County, west-central Minnesota, 1993-96 / / by James F. Ruhl ; prepared in cooperation with the East Otter Tail Soil and Water Conservation District and the Minnesota Department of Natural Resources
| Nitrate and pesticides in surficial aquifers and trophic state and phosphorus sources for selected lakes, eastern Otter Tail County, west-central Minnesota, 1993-96 / / by James F. Ruhl ; prepared in cooperation with the East Otter Tail Soil and Water Conservation District and the Minnesota Department of Natural Resources |
| Autore | Ruhl J. F. |
| Pubbl/distr/stampa | Mounds View, Minnesota : , : U.S. Geological Survey, , 1997 |
| Descrizione fisica | 1 online resource (vi, 43 pages) : illustrations, maps |
| Collana | Water-resources investigations report |
| Soggetto topico |
Nitrates - Environmental aspects - Minnesota - Otter Tail County
Pesticides - Environmental aspects - Minnesota - Otter Tail County Groundwater - Quality - Minnesota - Otter Tail County Water quality management - Minnesota - Otter Tail County Groundwater - Quality Nitrates - Environmental aspects Pesticides - Environmental aspects Water quality management |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910716548603321 |
Ruhl J. F.
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| Mounds View, Minnesota : , : U.S. Geological Survey, , 1997 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Relation of fracture orientation to linear terrain features, anisotropic transmissivity, and seepage to streams in the karst Prairie du Chien group, southeastern Minnesota / / by James F. Ruhl
| Relation of fracture orientation to linear terrain features, anisotropic transmissivity, and seepage to streams in the karst Prairie du Chien group, southeastern Minnesota / / by James F. Ruhl |
| Autore | Ruhl J. F. |
| Pubbl/distr/stampa | Mounds View, Minnesota : , : U.S. Geological Survey, , 1995 |
| Descrizione fisica | 1 online resource (vi, 42 pages) : illustrations, maps |
| Collana | Water-resources investigations report |
| Soggetto topico |
Hydrology, Karst - Minnesota
Groundwater - Pollution - Minnesota Water quality - Minnesota Groundwater - Pollution Hydrology, Karst Water quality |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910713796603321 |
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Ruhl J. F.
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| Mounds View, Minnesota : , : U.S. Geological Survey, , 1995 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Water resources of the Grand Portage Indian Reservation, northeastern Minnesota / / by James F. Ruhl
| Water resources of the Grand Portage Indian Reservation, northeastern Minnesota / / by James F. Ruhl |
| Autore | Ruhl J. F. |
| Pubbl/distr/stampa | Mounds View, Minnesota : , : U.S. Geological Survey, , 1995 |
| Descrizione fisica | 1 online resource (vi, 28 pages) : illustrations, maps |
| Collana | Water-resources investigations report |
| Soggetto topico |
Water-supply - Minnesota - Grand Portage Reservation
Water quality - Minnesota - Grand Portage Reservation Groundwater - Minnesota - Grand Portage Reservation Groundwater Water quality Water-supply |
| Formato | Multimedia  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910713796103321 |
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Ruhl J. F.
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| Mounds View, Minnesota : , : U.S. Geological Survey, , 1995 | ||
| Multimedia | ||
| Lo trovi qui: Univ. Federico II | ||
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Water resources of the White Earth Indian Reservation, northwestern Minnesota / / by J.F. Ruhl ; prepared in cooperation with the White Earth Indian Reservation Business Committee
| Water resources of the White Earth Indian Reservation, northwestern Minnesota / / by J.F. Ruhl ; prepared in cooperation with the White Earth Indian Reservation Business Committee |
| Autore | Ruhl J. F. |
| Pubbl/distr/stampa | St. Paul, Minnesota : , : U.S. Geological Survey, , 1989 |
| Descrizione fisica | 1 online resource (vii, 73 pages) : illustrations, maps |
| Collana | Water-resources investigations report |
| Soggetto topico |
Hydrology - Minnesota - White Earth Indian Reservation
Groundwater - Minnesota - White Earth Indian Reservation Groundwater flow - Minnesota - White Earth Indian Reservation Groundwater Groundwater flow Hydrology |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910715211403321 |
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Ruhl J. F.
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| St. Paul, Minnesota : , : U.S. Geological Survey, , 1989 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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