Fundamentals of mineral conservation.

Bibliographic Details
Main Author:	Voskuil, Walter H. (Walter Henry), 1892-
Format:	Book
Language:	English
Published:	Urbana, [publisher not identified] ; 1955.
Series:	Circular (Illinois State Geological Survey) ; 187.
Subjects:	Mines and mineral resources > Illinois.

Description
Item Description:	"Reprinted from the Journal of geography, volume 54, number 1, pp. 34-40, January 1955."
Physical Description:	[34]-40 pages