Hydrogeology of the Helena Valley-fill aquifer system, west-central Montana /

Bibliographic Details
Main Author:	Briar, David W.
Corporate Authors:	Geological Survey (U.S.), Lewis & Clark City-County Health Dept
Other Authors:	Madison, James P.
Format:	Government Document Book
Language:	English
Published:	Helena, Mont. : U.S. Dept. of the Interior, U.S. Geological Survey ; [1992]
Series:	Water-resources investigations report ; 92-4023.
Subjects:	Hydrogeology > Montana > Helena Region.

Evans: US Documents (Annex 5th floor)