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Geohydrology of Logan County

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Table of Contents

Abstract

Introduction

Purpose and scope of investigation

Location and extent of area

Previous investigations

Methods of investigation

Well-numbering system

Acknowledgments

Geography

Topography and drainage

Streams

Lakes

Population

Transportation

Agriculture

Mineral resources

Climate

Geology

Summary of stratigraphy

Summary of geologic history

Structure

Geologic formations in relation to ground water

Cretaceous System--Gulfian Series

Dakota formation

Distribution and thickness

Character

Water supply

Graneros shale

Distribution and thickness

Character

Water supply

Greenhorn limestone

Distribution and thickness

Character

Water supply

Carlile shale

Distribution and thickness

Character

Water supply

Niobrara formation

Distribution and thickness

Character

Water supply

Pierre shale

Distribution and thickness

Character

Water supply

Tertiary System--Pliocene Series

Ogallala formation

Pre-Ogallala buried valleys

Distribution and thickness

Character

Water supply

Quaternary System--Pleistocene Series

Meade Group

Distribution and thickness

Character

Water supply

Sanborn Group

Distribution and thickness

Character

Water supply

Dune sand

Distribution and thickness

Character

Water supply

Alluvium

Distribution and thickness

Character

Water supply

Ground water

Aquifer tests

Movement of ground water

Shape and slope of the water table

Fluctuations of the water table

Recharge of ground water

Recharge from precipitation

Recharge from streams and lakes

Recharge from irrigated lands

Recharge by ground-water movement from adjacent areas

Discharge of ground water

Discharge by evaporation and transpiration

Discharge by springs

Discharge by wells

Discharge to adjacent areas

Utilization of ground water

Domestic supplies

Livestock supplies

Public supplies

Oakley

Winona

Irrigation supplies

Chemical character of water

Chemical constituents in relation to use

Dissolved solids

Hardness

Silica

Iron

Fluoride

Nitrate

Water for irrigation

Chemical character in relation to geologic source

Dakota formation

Carlile shale

Niobrara formation

Pierre shale

Ogallala formation

Pleistocene deposits

Sanitary considerations

Chemical character of surface water

Chalk Creek

Ladder Creek

Smoky Hill River

Twin Butte Creek

Summary and conclusions

Records of typical test holes, wells, and one spring

Logs of test holes and wells

References

Plates


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Kansas Geological Survey, Geology
Placed on web Dec. 10, 2007; originally published May, 1958.
Comments to webadmin@kgs.ku.edu
The URL for this page is http://www.kgs.ku.edu/General/Geology/Logan/01_contents.html