Helgesen, John O.
VIAF ID: 248973732 ( Personal )
Permalink: http://viaf.org/viaf/248973732
Preferred Forms
- 100 1 _ ‡a Helgesen, John O
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- 100 1 _ ‡a Helgesen, John O.
- 100 1 _ ‡a Helgesen, John O.
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4xx's: Alternate Name Forms (8)
Works
Title | Sources |
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Abandoned subsurface coal mines as a source of water for coal conversion in eastern Ohio, 1980: | |
Appraisal of ground water for irrigation in the Little Falls area, Morrison County, Minnesota, 1973. | |
Assessment of nonpoint-source contamination of the high plains aquifer in south-central Kansas : 1987 | |
Characterization of ground-water flow and chemical transport ... 1990: | |
Hydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areas | |
Regional aquifers in Kansas, Nebraska, and parts of Arkansas, Colorado, Missouri, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming--geohydrologic framework | |
Surface-water-quality assessment of the lower Kansas River Basin, Kansas and Nebraska : results of investigations, 1987-90 |