Standards for the classification of public coal lands
Title:
Standards for the classification of public coal lands
Author:
Bass, N. Wood (Nathan Wood), 1893-1979
Personal Author:
Publication Information:
Washington : U.S. Dept. of the Interior, 1970.
Physical Description:
iii, 10 pages : illustrations ; 27 cm.
General Note:
"A revision of the rules used in the classification of coal lands on the public domain."
Language:
English
Format :
Manuscript