Hydrogeology of the Helena Valley-fill aquifer system, west-central Montana
By: by David W. Briar and James P. Madison ; prepared in cooperation with the Lewis and Clark City-County Health Department
Contributors: Madison, James P; Geological Survey (U.S.); Lewis & Clark City-County Health Dept
Series: Water-resources investigations report -- 92-4023
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Books and Open-File Reports Section [distributor
Published: 1992
Place of publication: Helena, Mont; Denver, CO
Language: eng
Number of pages: 92
Subjects: Hydrogeology -- Montana -- Helena Region
Other titles: Hydrogeology of the Helena Valley fill aquifer system, west-central Montana
Notes: Shipping list no.: 92-0371-P

"April 1992."

Chiefly tables

One map on 1 folded leaf in pocket

Includes bibliographical references (p. 38-41)