Water Pools in Pennsylvania Anthracite Mines

Author:	Ash, S. H.
Additional Authors:	Hughes, Karl, Romischer, W. M., Eaton, W. L.
Year:	1949
Document Type:	N/A
SUDOC:	I 28.7:727
Series:	Technical paper (United States. Bureau of Mines)
Report Number:	Technical Paper 727
Subjects:	Anthracite coal -- Pennsylvania.
	Mine drainage -- Pennsylvania.
	Coal mines and mining -- Pennsylvania.
Link:	http://digital.library.unt.edu/ark:/67531/metadc66478/