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Installations of a model man cage at the Avoca Shaft of the Heidelberg Coal Co., Avoca, Lucerne County, Pa.
- Author / Creator
- Available as
- Physical
Details
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- Creator
- by E.H. McCleary and Joseph V. Mather
- Format
- Books
- Language
- English
- Contributors
- Publication
-
- Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1947
- Physical Details
-
- 5 pages : illustrations
- OCLC
- ocm41984408