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John O Helgesen

11 cilt bulundu.

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Sanitary landfillsHydrogeology and ground-water-quality conditions at the Harvey County Landfill, south-central Kansas, 1990John O Helgesen

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

John O Helgesen · U.S. Dept. of the Interior, U.S. Geological Survey

44 sayfa · 1993

Environmental aspects / Environmental aspects of Groundwater flow / Environmental aspects of Sanitary landfills / Groundwater flow / Sanitary landfills

PollutionAssessment of nonpoint-source contamination of the High Plains aquifer in south-central Kansas, 1987John O Helgesen

Assessment of nonpoint-source contamination of the High Plains aquifer in south-central Kansas, 1987

John O Helgesen · U.S. Dept. of the Interior, U.S. Geological Survey

61 sayfa · 1992

Kansas / Groundwater / Pollution

CiltSurface-Water-Quality Assessment of the Lower Kansas River Basin, Kansas and NebraskaJohn O. Helgesen

Surface-Water-Quality Assessment of the Lower Kansas River Basin, Kansas and Nebraska

John O. Helgesen · United States Geological

Sayfa sayısı yok · 1996

Kategori yok

AquifersDescription of data files compiled for the Central Midwest Regional Aquifer-System AnalysisJohn O Helgesen

Description of data files compiled for the Central Midwest Regional Aquifer-System Analysis

John O Helgesen · Dept. of the Interior, U.S. Geological Survey

Sayfa sayısı yok · 1989

Hydrology / Groundwater / Aquifers

Water-supplyAppraisal of ground water for irrigation in the Little Falls area, Morrison County, MinnesotaJohn O. Helgesen

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

John O. Helgesen · U.S. Govt. Print. Off.

40 sayfa · 1973

Groundwater / Irrigation / Water-supply

WatershedsWater resources of the Mississippi and Sauk rivers watershed, central MinnesotaJohn O. Helgesen

Water resources of the Mississippi and Sauk rivers watershed, central Minnesota

John O. Helgesen · U.S. Geological Survey

17 sayfa

Maps / Water-supply / Watersheds

GroundwaterGround-water appraisal of the Pineland Sands area, central MinnesotaJohn O. Helgesen

Ground-water appraisal of the Pineland Sands area, central Minnesota

John O. Helgesen · U.S. Geological Survey

49 sayfa · 1977

Aquifers / Groundwater

CiltHydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areasJohn O. Helgesen

Hydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areas

John O. Helgesen · U.S. G.P.O.

80 sayfa · 1993

Kategori yok

WatershedsWater resources of the Little Fork River watershed, northeastern MinnesotaJohn O. Helgesen

Water resources of the Little Fork River watershed, northeastern Minnesota

John O. Helgesen · U.S. Geological Survey

11 sayfa

Little Fork River watershed (Minn.) / Maps / Water-supply / Watersheds

Water qualitySurface-water-quality assessment of the lower Kansas River Basin, Kansas and NebraskaJohn O. Helgesen

Surface-water-quality assessment of the lower Kansas River Basin, Kansas and Nebraska

John O. Helgesen · USGS Earth Science Information Center, Open-File Reports Section [distributor]

129 sayfa · 1995

Water quality

Middle WestRegional Aquifers in Kansas, Nebraska, and Parts of Arkansas, Colorado, Missouri, New Mexico, Oklahoma, South Dakota, Texas, andDonald G. Jorgensen, John O. Helgesen, Jeffrey L. Imes

Regional Aquifers in Kansas, Nebraska, and Parts of Arkansas, Colorado, Missouri, New Mexico, Oklahoma, South Dakota, Texas, and

Donald G. Jorgensen, John O. Helgesen, Jeffrey L. Imes · Yayınevi bilinmiyor

Sayfa sayısı yok

Aquifers / Middle West