Estimate of known recoverable reserves of coking coal in Jefferson County, Pa.

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Bibliographic Details
Online Access:	Full Text (via ProQuest)
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [s.n.], 1952.
Subjects:	Coal mines and mining. Jefferson County (Pa.)

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Full Text (via ProQuest)

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Call Number:	I28.23..4840
I28.23..4840	Available