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Last edited by Open Library Bot
December 5, 2010 | History

Geologic causes and possible preventions of roof fall in room-and-pillar coal mines 1 edition

Geologic causes and possible preventions of roof fall in room-and-pill ...
Bion H. Kent

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Geologic causes and possible preventions of roof fall in room-and-pillar coal mines
by Bion H. Kent ; prepared by the United States Geological Survey in cooperation with the Pennsylvania Geological Survey.

Published 1974 by Pennsylvania Geological Survey : may be purchased from State Book Store in Harrisburg .
Written in English.

Edition Notes

Bibliography: p. 16-17.
"Pennsylvania Geological Survey fourth series."

Series
Information circular - Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey ; 75

Classifications

Dewey Decimal Class
557.48/08 s, 622/.8
Library of Congress
QE157 .A2915 no. 75, QE158.G7 .A2915 no. 75

The Physical Object

Pagination
vi, 17 p. :
Number of pages
17

ID Numbers

Open Library
OL5120076M
LC Control Number
74193348

History Created December 10, 2009 · 2 revisions Download catalog record: RDF / JSON

December 5, 2010 Edited by Open Library Bot Added subjects from MARC records.
December 10, 2009 Created by WorkBot add works page