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Cutting machine in operation at the Pocahontas Exhibition mine, Pocahontas Va. on the Norfolk and Western Railway. 'Permission is granted to reproduce this photograph only on condition that all reproduction shall bear the following credit line: Photograph by Norfolk and Western Railway.'
Men at work with loading machine and shuttle car. Probably Joy Machinery.
Miner running a continuous mining machine.
Two miners work with a machine to undercut coal.
Miner works with cutting machine at Jamison No. 9 mine.
Two men working on the loading machine.
Two miners work with a cutting machine at Pursglove No. 15.
Caption on back reads, 'Making a cut in the coal face is this Mastodon of the machine age - an underground cutter.  Rubber tired for mobility, and mounting a 9-foot cutting blade armed with whirring steel bits, it can cut a full 360 degree arc.  This and similar machines give America's bituminous coal mines almost unlimited capacity for production.'
Two miners operate a cutting machine. 'Credit must be given to Willaim Vandivert, 21 East Tenth St., New York 3, N.Y., Not to be reproduced without written liscense.'
A very large cutting machine being operated by a miner. 'Credit must be given to William Vandivert, Not to be reproduced without written liscense.
Two men operating a loading machine.
Two miners standing next to drilling machine.
Miner using a 11 BU loading machine at Jamison No. 9. Stonega Coke and Coal.
'All White Oak mines are electrically equipped and of course this mining machine is operated by electricity. The machine is mounted and transported on a specially designed truck and moves under its own power from one working place to another. It is taken from the truck by the machine operator and his helper and moved to the place of the coal and place in cutting position as you see it in this picture. The machine consists of an endless chain with 'bits' inserted, which act as cutters. The machine cuts a 'kerf' or hole along the bottom of the coal about 4 inches high and extending back six feet under the coal. The fine coal made by this machine is what is commonly known as 'bug dust.' Cutting machines are operated at night and each machine is capable of cutting twenty places on each shift. These machines are operated on tonnage basis and these operators earn high wages.'
Close-up view of roof drill in action. Man in background is tightening bolt with air powered wrench at Consol. No. 204, Jenkins, Ky.
Two miners operate a track mounted coal cutting machine.
Pittsburgh Consolidation Coal Company mine.<br />
Two men working with a rubber tire mounted cutting machine.
A miner works on a piece of machinery on the interior of the mine. John Williams, Coal Life Project.
Miners using a cutting machine at Mine 32, Consolidation Coal Co.
Miners operating a cutting machine.
Two men cutting coal in the parting.