Data on Pumping at the Anthracite Mines of Pennsylvania

Author:	Ash, S. H. (Simon Harry), b. 1889
Additional Authors:	Kennedy, D. O., Eaton, W. L., Kynor, H. D., Gilbert, Joseph C., James, H. M., Jenkins, Hayden E., Link, Howard B.
Year:	1950
Document Type:	N/A
SUDOC:	I 28.23:4700
Series:	United States Bureau of Mines Reports
Report Number:	R. I. 4700
Subjects:	Mine pumps.
	Anthracite coal -- Pennsylvania.
Link:	http://digital.library.unt.edu/ark:/67531/metadc38541/