Potential for leakage among principal aquifers in the Memphis area, Tennessee

U.S. Geological Survey, Water-Resources Investigations Report 85-4295

by D.D. Graham and W.S. Parks

Table of Contents

Abstract

Introduction

Previous investigations

Purpose and scope

Physiographic setting

Hydrogeologic setting

Water-table aquifers

Artesian aquifers

Confining beds

Evidences for leakage

Thickness of confining beds

Water levels

Water-table conditions

Artesian conditions

Head differences

Isotope data

Carbon isotopes

Tritium

Geothermal gradient

Normal gradient

Local deviations

Estimates of ground-water velocity

Potential for leakage

Summary and conclusions

Selected references

Supplemental explanation of isotope data

Carbon-14

Tritium

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U.S. Department of the Interior, U.S. Geological Survey Persistent URL: http://pubsdata.usgs.gov/pubs/wri/wri85-4295/html/toc.html Page Contact Information: USGS Publishing Network Last modified: Wednesday, December 07 2016, 12:50:23 PM

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