From introduction: The purpose of this paper is to present a detailed description of the methods employed and the equipment used, with the results obtained in the operation of this mine in the thick Freeport bed on the northern end of the field, near the Alleghegny-Butler county line in western Pennsylvania. It may be classed as a captive mine, as the largest portion of the product is consumed at the by-product plants of the parent company
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Added Title:
United States Bureau of Mines Report 6152
Added Title:
Information circular / Bureau of Mines ; 6152
Description
From introduction: The purpose of this paper is to present a detailed description of the methods employed and the equipment used, with the results obtained in the operation of this mine in the thick Freeport bed on the northern end of the field, near the Alleghegny-Butler county line in western Pennsylvania. It may be classed as a captive mine, as the largest portion of the product is consumed at the by-product plants of the parent company
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Paul, James Washington & Tomlinson, H.Method and Cost of Mining the Thick Freeport Coal in a Second Western Pennsylvania Mine,
report,
July 1929;
Washington D.C..
(https://digital.library.unt.edu/ark:/67531/metadc784354/:
accessed May 28, 2024),
University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu;
crediting UNT Libraries Government Documents Department.