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Mining, crushing, and grinding methods and costs at Reliance Cement Rock quarry of Giant Portland Cement Company, Egypt, Pa
Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from ProQuest, LLC.
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Mining, crushing, and grinding methods and costs at Reliance Cement Rock quarry of Giant Portland Cement Co., Egypt, Pa