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Geohydrology of Sheridan County

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Contents

Abstract

Introduction

Purpose and scope of the investigation

Location and extent of the area

Previous investigations

Methods of investigation

Well-numbering system

Geography

Topography and drainage

Climate

Population

Transportation

Agriculture

Mineral resources

Oil and gas

Construction materials

Volcanic ash

Geology

Summary of stratigraphy

Geology in relation to ground water

Cretaceous System--Gulfian Series

Niobrara formation

Character

Distribution and thickness

Water supply

Pierre shale

Tertiary System--Pliocene Series

Ogallala formation

Character

Distribution and thickness

Water supply

Quaternary System--Pleistocene Series

Meade formation--Kansan and Yarmouthian stages

Sanborn formation

Crete sand and gravel member--Illinoian stage

Loveland silt member--Illinoian and Sangamonian stages

Peoria silt member--Wisconsinan stage

Bignell silt member--Wisconsinan stage

Terrace deposits--Wisconsinan stage

Undifferentiated valley deposits

Alluvium

Ground water

Source

Occurrence

Permeability of the water-bearing materials

The water table and movement of ground water

Recharge and discharge

Recovery

Utilization

Domestic and stock supplies

Public supplies

Irrigation supplies

Availability of ground water for future irrigation development

Chemical character of ground water

Chemical constituents in relation to use

Dissolved solids

Hardness

Iron

Fluoride

Nitrate

Chemical quality of water for irrigation

Records of wells

Logs of test holes and wells

References

Plates


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Kansas Geological Survey, Geology
Placed on web Feb. 10, 2009; originally published May 1956.
Comments to webadmin@kgs.ku.edu
The URL for this page is http://www.kgs.ku.edu/General/Geology/Sheridan/01_contents.html