Methods and Costs of Mining and Preparing Sand and Gravel at the Plant of the Ward Sand and Gravel Co., Oxford, Michigan
Description: Report issued by the U.S. Bureau of Mines discussing the operation and production of the Ward Sand and Gravel Company in Oxford, Michigan. The methods and costs employed by the company are presented. This report includes tables, and illustrations.
Date: January 1932
Creator: Ward, Frederick L.
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