| Abstract: | This report documents the preliminary data obtained from Northern Great Plains test well 1 and describes the preliminary results and future testing plans. The intended audience includes hydrologists, local water users, drilling contractors, and water managers. The test well was drilled as part of the study to determine the water resource potential of the regional aquifer system in the Northern Great Plains, an area of about 250,000 sq mi. The well is 4,485 ft deep; nine cores were drilled totaling 182 ft; 157.42 ft of core were recovered. Sidewall cores were obtained from 24 horizons. Gamma and density scans of the cores were made, and selected parts were tested for density, porosity, and vertical and horizontal permeability. Eight zones were perforated and tested using conventional drill-stem tests and swabbing. Water samples were obtained from seven zones. No major potential sources of groundwater were penetrated by the test well. Estimated yields from selected zones range from about 240 gal/min with 400 ft of drawdown to about 5 gal/min flow at the surface. Dissolved-solids concentrations ranged from about 1,800 to 3,000 mg/l. (USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 10055 |
| Citation Author: | Lobmeyer, D. H.; Anna, L. O.; Busby, J. F. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | 80 p., 3 logs, ill., maps ;28 cm. |
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| Citation Publisher: | U.S. Geological Survey, |
| Citation Series: | Open-File Report |
| Citation Series Code: | OFR |
| Citation Series Number: | 82-446 |
| Citation Search Results Text: | Preliminary data for northern Great Plains test well 1, quarter NE quarter Sec. 11, T.55N., R.77W., Sheridan County, Wyoming; 1982; OFR; 82-446; Lobmeyer, D. H.; Anna, L. O.; Busby, J. F. |
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| Citation Year: | 1982 |
| Type: | citation/reference |
| Text: | Preliminary data for northern Great Plains test well 1, quarter NE quarter Sec. 11, T.55N., R.77W., Sheridan County, Wyoming; 1982; OFR; 82-446; Lobmeyer, D. H.; Anna, L. O.; Busby, J. F. |
| URL (THUMBNAIL): | http://pubs.usgs.gov/of/1982/0446/report-thumb.jpg |
| URL (DOCUMENT): | http://pubs.usgs.gov/of/1982/0446/report.pdf |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, |
