UNITED STATES DEPARTMENT OF THE INTERIOR J. A. Krug, Secretary - GEOLOGICAL SURVEY W. E. Wrather, Director
Water-Supply Paper 992
BIBLIOGRAPHY AND INDEX OF PUBLICATIONS RELATING TO GROUND WATER PREPARED BY THE GEOLOGICAL SURVEY AND COOPERATING AGENCIES
By GERALD A. WARING and OSCAR E. MEINZER
*- ft
UNITED STATES GOTERNMENT PRINTING OFFICE WASHINGTON: 1947
For sale by the Superintendent of Documents, U. S. Government Printing Officrv Washington 25. D. C. Price $1.00 CONTENTS