A Study of roof falls in underground mines on the Pocahontas #3 seam, southern West Virginia and southwestern Virginia
By: prepared for United States Department of the Interior, Bureau of Mines by John C. Ferm ... [et al.].
Contributors: United States. Bureau of Mines; Carolina Coal Group
Series: [Open-file report] - U.S. Bureau of Mines -- 1980-36
Publisher: Carolina Coal Group, Dept. of Geology, University of South Carolina
Published: 1978
Place of publication: Columbia
Language: eng
Number of pages: 83
Subjects: Coal mines and mining; Mining geology
Notes: Final report on contract no. H0230028.

Includes bibliographical references (leaf 83).