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Geohydrology of Trego County

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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

Climate

Population

General geology

Summary of stratigraphy

Unexposed rocks

Economic geology

Ground water

Source

The water table and movement of ground water

Additions of ground water

Infiltration of precipitation

Influent seepage from streams

Subsurface inflow

Infiltration of irrigation water

Ground-water discharge

Seeps and springs

Transpiration and evaporation

Phreatophytes

Discharge from wells

Subsurface outflow

Hydrologic properties of water-bearing materials

Determinations of transmissibility and permeability

Utilization of ground water

Domestic and stock supplies

Municipal supplies

Irrigation supplies

Possibilities of developing additional supplies

Cedar Bluff Reservoir

Mineral resources

Oil

Construction materials

Mixed aggregate

Concrete aggregate

Structural stone

Volcanic ash

Quality of ground water

Chemical constituents in relation to use

Dissolved solids

Hardness

Nitrate

Fluoride

Chloride

Iron

Sulfate

Silica

Bicarbonate

Sodium

Sanitary considerations

Geologic formations in relation to ground water

Cretaceous System--Lower(?) Cretaceous Series

Dakota Formation

Character and subdivisions

Thickness

Water supply

Cretaceous System--Upper Cretaceous Series

Graneros Shale

Greenhorn Limestone

Carlile Shale

Character and subdivisions

Distribution and thickness

Water supply

Niobrara Chalk

Fort Hays Limestone Member

Smoky Hill Chalk Member

Water supply

Neogene System--Pliocene Series

Ogallala Formation

Character and subdivisions

Distribution and thickness

Water supply

Neogene System--Pleistocene Series

Terrace deposits

Grand Island and Sappa formations

Crete Formation

Water supply

Peoria and Loveland formations

Character, distribution, and thickness

Water supply

Alluvium

Character, distribution, and thickness

Water supply

Records of wells

Logs and test holes and wells

References

Plates


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Kansas Geological Survey, Geology
Placed on web Dec. 12, 2008; originally published June 1965.
Comments to webadmin@kgs.ku.edu
The URL for this page is http://www.kgs.ku.edu/General/Geology/Trego/01_contents.html