Flood-Prevention Projects at Pennsylvania Anthracite Mines: Progress Report for Fiscal Year Ended June 30, 1947

Author:	Ash, S. H.
Additional Authors:	Hughes, Karl, Cassap, W. E., Romischer, W. M., Eaton, W. L.
Year:	1948
Document Type:	N/A
SUDOC:	I 28.23:4288
Series:	United States Bureau of Mines Reports
Report Number:	R. I. 4288
Subjects:	Anthracite coal -- Pennsylvania.
	Coal mines and mining -- Pennsylvania.
	Barrier pillars.
	Flood control.
	Mine water.
Link:	http://digital.library.unt.edu/ark:/67531/metadc38493/