Hillseam geology and roof instability near outcrop in eastern Kentucky drift mines
By: by Gary P. Sames and Noel N. Moebs.
Contributors: Moebs, Noel N.
Series: Report of investigations (United States. Bureau of Mines) -- 9267.
Publisher: Dept. of the Interior
Published: 1989
Place of publication: Washington, DC
Language: eng
Number of pages: 32
Subjects: Mine roof control.; Joints (Geology) -- Kentucky; Outcrops (Geology) -- Kentucky; Coal mines and mining -- Kentucky
Notes:  89600173  t_oclc

Bibliogr.

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