John O. Helgesen
Identifiers
- Open LibraryOL710191A
Top Subjects
- High Plains Aquifer (2)
- Morrison County (1)
- Minnesota (1)
- Water-supply -- Minnesota -- Morrison County (1)
- Irrigation -- Minnesota -- Morrison County (1)
- Groundwater -- Minnesota -- Morrison County (1)
- Groundwater -- Minnesota (1)
Books by John O. Helgesen
Total count: 6
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Appraisal of ground water for irrigation in the Little Falls area, Morrison County, MinnesotaU.S. Govt. Print. Off.1973-01-01
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Ground-water appraisal of the Pineland Sands area, central MinnesotaU.S. Geological Survey1977-01-01
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Assessment of nonpoint-source contamination of the High Plains aquifer in south-central Kansas, 1987Books and Open-File Reports [distributor]1992-01-01
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Hydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areasU.S. G.P.O.1993-01-01
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Hydrogeology and ground-water-quality conditions at the Harvey County Landfill, south-central Kansas, 1990U.S. Dept. of the Interior, U.S. Geological Survey1993-01-01
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Surface-Water-Quality Assessment of the Lower Kansas River Basin, Kansas and NebraskaResults of Investigations, 1987-90 (U.S. Geological Survey Water Supply Paper, 2451)United States Geological1996-05-01