Barrier pillars in Lackawanna Basin, northern field : anthracite region of Pennsylvania / by S.H. Ash [and others]
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| Corporate Author: | |
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| Other Authors: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. G.P.O.,
1952.
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| Series: | Bulletin (United States. Bureau of Mines) ;
517. |
| Subjects: |
| Item Description: | At head of title: Department of the Interior, Bureau of Mines. Four folded maps in pocket. |
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| Physical Description: | v, 114 pages : illustrations, maps ; 26 cm. |
| Bibliography: | Includes bibliographical references (page 114) |
| Action Note: | committed to retain 20230101 20480101 Alliance Shared Trust https://www.coalliance.org/shared-print-archiving-policies. |