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Geology

  Finney and Gray county Geohydrology

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Table of Contents

Abstract

Introduction

Geography

Geology

Geologic History

Ground Water

Utilization

Quality of Water

Geologic Formations

Records of Typical Wells

Logs of Test Holes

References

Plates

 

Table 4

Table 4--Results of pumping tests made on wells in Finney and Gray counties using the Theis recovery method for determining permeability

Well number and/or location Water-bearing formation Length of time well was pumped (minutes) Average discharge of well during test (gallons a minute) (g) Specific capacity (gallons a minute per foot of drawdown) Correction applied to t (c) Coefficient of transmissibility Approximate thickness of water-bearing beds Coefficient of permeability (1) (Pf)
Well 454, NW NW sec. 10, T. 26 S., R. 28 W. Alluvium 225 592 35 -210 38,200 37 1,030
Well 160, SW SE sec. 36, T. 23 S., R. 34 W. Alluvium and undifferentiated Pliocene and Pleistocene deposits 170 1141 32 -95 64,000 160 400
Well 450, SE cor. NW sec. 17, T. 26 S., R. 27 W. Alluvium and undifferentiated Pliocene and Pleistocene deposits 210 970 46 500 154,185 148 1,040
U.S. Army well, NW NW SW sec. 27, T. 24 S., R. 31 W. (2) Undifferentiated Pliocene and Pleistocene deposits 307 441 33 325 47,500 120 395
U.S. Army well, NE NW SE sec. 27, T. 24 S., R. 31 W. (2) Undifferentiated Pliocene and Pleistocene deposits 338 272 12 -170 27,000 116 235

1. The temperature of the ground water in Finney and Gray counties ranges from 57 deg. to 62 deg. F. Corrections for temperature have been omitted because they would not materially alter the results.
2. Well drilled after the field investigation was completed.

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  Kansas Geological Survey, Finney and Gray County Geohydrology
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Web version April 2002. Original publication date Dec. 1944.
URL=http://www.kgs.ku.edu/General/Geology/Finney/table4.html