Standards for the classification of public coal lands /

Bibliographic Details
Main Authors:	Bass, N. Wood (Nathan Wood), 1893-1979 (Author), Horn, George H. (George Henry), 1917- (Author), Smith, H. L. (Henry L.) (Author)
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : U.S. Department of the Interior, [Geological Survey], [1970]
Series:	Geological Survey circular ; 633.
Subjects:	Coal lands > United States > Classification > Standards. Coal > United States. Public lands > United States. Coal. Coal lands. Public lands. United States. Classification.
Online Access:	https://purl.fdlp.gov/GPO/gpo115075

Description
Physical Description:	1 online resource (iii, 10 pages) : illustrations.
Bibliography:	Includes bibliographical references (page 10).