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Helgesen, John O. books & textbook

Appraisal of ground water for irrigation in the Little Falls area, Morrison County, Minnesota

Helgesen, John O.  

United States Government Printing Office /1973T Paperback

   

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Hydrogeology and ground-water-quality conditions at the Harvey County Landfill, south-central Kansas, 1990

Helgesen, John O.  

University of Michigan Library /1993-01-01 Paperback / 60 Pages

   

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Geohydrology and Simulation of Steady-state Flow Conditions in Regional Aquifer Systems in Cretaceous and Older Rocks Underlying Kansas, Nebraska, and Parts of Arkansas, Colorado, Missouri, New Mexico

Donald C. Signor  John O. Helgesen  Donald G. Jorgensen  

U.S. Geological Survey /1996-01-01 Paperback
isbn-10: 0607870338 / isbn-13: 9780607870336
   

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Assessment of nonpoint-source contamination of the high plains aquifer in south-central Kansas, 1987 / by John O. Helgesen, Lloyd E. Stullken, and A.T. Rutledge. 1994 [Leather Bound]

Helgesen, John O.  

Generic /2022-01-01 Leather Bound / 64 Pages

   

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Description of data files compiled for the Central Midwest Regional Aquifer-System Analysis: USGS Open-File Report 89-42

Helgesen, John O.  Hansen, Cristi V.  

BiblioGov /2013-03-07 Paperback / 44 Pages
isbn-10: 1288877196 / isbn-13: 9781288877195
   

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