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Geology and ground-water resources of the Helena Valley, Montana / / by Howard W. Lorenz and Frank A. Swenson ; with a section on the chemical quality of the water ; by Herbert A. Swenson ; prepared as part of a program of the Department of the Interior for development of the Missouri River Basin
| Geology and ground-water resources of the Helena Valley, Montana / / by Howard W. Lorenz and Frank A. Swenson ; with a section on the chemical quality of the water ; by Herbert A. Swenson ; prepared as part of a program of the Department of the Interior for development of the Missouri River Basin |
| Autore | Lorenz Howard Wilhelm |
| Pubbl/distr/stampa | Washington, D.C. : , : United States Department of the Interior, Geological Survey, , 1951 |
| Descrizione fisica | 1 online resource (ii, 68 pages) : illustrations, maps + + 3 plates |
| Collana | Geological Survey circular |
| Soggetto topico |
Geology - Montana - Prickly Pear Creek Valley
Groundwater - Montana - Prickly Pear Creek Valley Hydrogeology - Montana - Prickly Pear Creek Valley Hydrology - Montana - Prickly Pear Creek Valley Geology Groundwater Hydrogeology Hydrology |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910711588803321 |
Lorenz Howard Wilhelm
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| Washington, D.C. : , : United States Department of the Interior, Geological Survey, , 1951 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Hydrogeology of the Helena Valley-fill aquifer system, west-central Montana / / by David W. Briar and James P. Madison ; prepared in cooperation with the Lewis and Clark City-County Health Department
| Hydrogeology of the Helena Valley-fill aquifer system, west-central Montana / / by David W. Briar and James P. Madison ; prepared in cooperation with the Lewis and Clark City-County Health Department |
| Autore | Briar David W. |
| Pubbl/distr/stampa | Helena, Montona : , : U.S. Geological Survey, , 1992 |
| Descrizione fisica | 1 online resource (v, 92 pages) : illustrations, maps |
| Collana | Water-resources investigations report |
| Soggetto topico |
Hydrogeology - Montana - Prickly Pear Creek Valley
Aquifers - Montana - Prickly Pear Creek Valley Hydrogeology |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910715475503321 |
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Briar David W.
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| Helena, Montona : , : U.S. Geological Survey, , 1992 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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