Size Consist, Chemical Analysis, and Physical Properties of 2-1/2-Inch Subbituminous Slack from the Denver, Colorado Region

Author:	Parry, V. F.
Year:	1942
Document Type:	N/A
SUDOC:	I 28.23:3655
Series:	United States Bureau of Mines Reports
Report Number:	R. I. 3655
Subjects:	Coal mines and mining.
	Coal -- Colorado.
Link:	http://digital.library.unt.edu/ark:/67531/metadc38444/