[Dissolved-solids and ratio maps of water in the Madison Group, Montana] /

Bibliographic Details
Main Author: Feltis, R. D. (Richard D.), 1930-
Format: Map
Language:English
Published: [Butte] : Montana Bureau of Mines and Geology, 1980.
Series:Hydrogeologic map series ; No. 3.
Subjects:
Description
Item Description:Coordinates: W116⁰ -- W104⁰ / N49⁰ -- N45⁰.
Title from envelope.
"Geochemistry mapped in 1977."
"Base from U.S. Geological Survey state base map, 1968."
Location index on envelope.
Cartographic material.
Physical Description:3 maps ; 55 x 94 cm., folded to 28 x 19 cm. in envelope 28 x 22 cm.