Browse TRAIL Inventories

Mining and grinding methods and costs at the Dennison Sewer Pipe Company Clay Mine, Dennison, Ohio

Mining and grinding methods and costs at the Evans Pipe Co. Clay Mine, Ulrichsville, Ohio

Mining and grinding methods and costs at the Clay City Pipe Co. Clay Mine, Uhrichsville, Ohio

Mining and grinding methods and costs at the Claycraft Company shale pit, Taylor Station, Columbus, Ohio

Mining and grinding methods and costs at the L.W. Camp Co. shale pit, Akron, Ohio

Mining and grinding methods and costs at the Camp Brothers Company shale pit, Mogadore, Ohio

Methods and costs of mining and crushing gypsum at the mine of the Victor Plaster, Inc., Victor, N.Y.

Mining and grinding methods and costs at the Malvern Clay Co. mine, Malvern, Ohio

Time study analyses :progress report 1 : quarry shovel loading

Time-study analyses :progress report 2 : quarry haulage

Time study analyses.

Churn-drill performance


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