Cover image for The coal fields of the United States.
The coal fields of the United States.
Title:
The coal fields of the United States.
Author:
Bownocker, J. A. (John Adams), 1865-1928.
Publication Information:
Washington : U.S. Govt. print. off., 1929.
Physical Description:
iv, 101 pages including tables, diagrams : IX plates (including 7 folded maps, 2 in pocket) folded tables ; 29 cm.
General Note:
At head of title: Department of the interior.

Issued also as House doc. no. 1806, 64th Cong., 2d. sess.
Language:
English
Format :
Book