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Geohydrology of Pratt County

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Contents

Abstract

Introduction

Purpose and history of investigation

Methods and scope of investigation

Location and extent of area

Well-numbering system

Acknowledgments

Geography

Topography and drainage

Climate

Population

Agriculture

Mineral resources

Oil and gas

Sand and gravel

Volcanic ash

Geology

Summary of stratigraphy

Geologic structure

Geologic units and their water-bearing properties

Permian rocks

Nippewalla Group and Whitehorse Formation

Cretaceous rocks

Kiowa Formation

Quaternary rocks

Holdrege and Fullerton Formations

Grand Island and Sappa Formations

Crete and Loveland Formations

Dune sand

Alluvium and terrace deposits

Ground Water

Potentiometric surface and movement of ground water

Recharge

Precipitation

Subsurface inflow

Irrigation return

Saline-water inflow

Discharge

Streamflow

Subsurface outflow

Evapotranspiration

Withdrawals by wells

Water in storage

Hydrologic properties of water-bearing materials

Chemcal Quality of Ground Water

Suitability for irrigation

The Cairo area

Summary and Conclusions

Records of Wells

Logs of Wells and Test Holes

Selected References

Plates


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Kansas Geological Survey, Geology
Placed on web Aug. 18, 2008; originally published Feb. 1973.
Comments to webadmin@kgs.ku.edu
The URL for this page is http://www.kgs.ku.edu/General/Geology/Pratt/01_contents.html