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'50 Cubic-Yard Shovel at Georgetown No. 12 Mine of Hanna Coal Company, Division of Pittsburgh Consolidation Coal Company: These electric shovels are used to remove the earth and rock overburden from the coal seam. In a month's time, they will each remove as much as 1,600,000 cubic yards, or some 2,400,000 tons. If this material were to be loaded into open railroad cars, it would fill some 48,000 of them.'

4333. 50 Cubic Yard Shovel at Georgetown No. 12 Mine

4334. Unidentified Tipple

4335. Pond Creek Colliery

Railroad cars filled with coal travel past a coal mining community.

4336. Mine Run, White Oak Coal Company

4337. Coal Miners at Price Hill, W. Va.

4338. Coal Miners at Price Hill, W. Va.

Tipple at Superior Pocahontas Coal Company, Davy, W. Va.

4339. Cletus Tipple, Mine No. 4., Superior Pocahontas Coal Company, Davy, W. Va.

Viropa mine tipple with train to the left.

4340. Viropa Mine Tipple, Fairmont Coal Company

'Fifty-five ton tractor trailer units at Bradford No. 1 Mine near Cadiz, Ohio: Coal from the Bradford open-cut mine is loaded into 55-ton trator-trailer trucks to be transported to the Georgetown Preparation Plant where it is washed, dried and sized. Thes tractor-trailer trucks are powered by 400 H.P. Deisel V-12 engines. They have a rated capacity approximately equal to that of a railroad car (55-tons). The overall length of this unit is 55 feet. It is 12 feet in width and at its highest point, is 11 1/2 feet from the ground. The front tires on these units are 14:00 x 24. The rear tires on the tractor and the tires on the trailer are 18:00 x 25. These tractor-trailer units are lubricated while in operation by an electrically-times, automatically-controlled lubricating system, which lubricates each of the 63 bearings once each operating hour. Similar but slightly smaller capacity trucks are in use at the Georgetown No. 12 Mine. The coal is loaded, without being shot, by electric shovels having dippers of 9 cubic yards capacity.'

4341. Fifty-Five Ton Tractor Trailer Units at Bradford Mine No. 1 near Cadiz, Ohio

This mine was located on the West Fork River near Clarksburg. It was the first mine operated by Senator C. W. Watson.'

4342. Farnum Mine Tipple, Fairmont Coal Company

Possibly the tipple of the Hutchinson family mine near Fairmont, W. Va.

4343. Hutchinson Family Mine Tipple

Cranberry Mine tipple and surrounding buildings.

4344. Cranberry Tipple