Map showing construction materials and nonmetallic mineral resources of Montana /

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), Montana Bureau of Mines and Geology
Other Authors:	Knechtel, Maxwell M. (Maxwell McMichael), 1897-1984
Format:	Map
Language:	English
Published:	[Butte?] : The Montana State Bureau of Mines and Geology, 1948.
Series:	Missouri basin studies ; no. 11.
Subjects:	Nonmetallic minerals > Montana > Maps.

Description
Item Description:	Each sheet includes text at bottom. Cartographic material.
Physical Description:	1 map in 2 sections : color ; 73 x 127 cm., sections each 97 x 72 cm.