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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.'

133. Cutting Machine in Operation at the Pocahontas Exhibition Mine, Pocahontas, Va.

Two miners at Pursglove No. 15 cut coal preparatory to shooting it down for loading.

134. Cutting Coal at Pursglove No. 15

Two miners work on putting in roof bolts in the Pittsburgh Seam. Timber jack used to hold the roof while bolting.

135. Miners Roof Bolting

Two miners next to an electric locomotive.

136. Miner on Electric Locomotive

Two miners put bolts in to the mine rood at Jamison No. 9.

137. Miners Roof Bolt Drilling in Jamison No. 9 Mine

Man in tram car in mine in the Winifrede Coal Seam, Kanawha County, W. Va. 'Geological Survey.'

138. Winifrede Coal Seam, Kanawha County, W. Va.

A very large cutting machine being operated by a miner. 'Credit must be given to William Vandivert, Not to be reproduced without written liscense.

139. Cutting Machine in Operation at Mine No. 32

'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.'

140. Mining Operating a Cutting Machine

Miners on an electric locomotive used in hauling mine cars.

141. Electric Locomotive Used in Hauling Mine Cars

Miners stand next to a large locomotive at Jamison No. 9.

142. Jamison No. 9 Mine Locomotive

'An Electric Locomotive: Good dependable motive power is just as necessary in a coal mine as on a railroad. This picture shows on of White Oak's ten ton electric locomotives used to haul loads and distrubute empties in our mines. A crew consists of a motorman and brakeman, or trip rider, who pull loads from the working places to convenient sidings where they are picked up by main line locomotives, who haul to the tipple or shaft bottom. A large producing mine uses fifteen and twenty locomotives and five hundred mine cars in maintaining production.'

143. Miner Operating an Electric Locomotive

'White Oak preparation begins when the machine leaves and the miner is ready to shoot down his coal. The shooting inspector on the left has not only located the hole for the miner to drill, but instructed him as to what angle he must bore his hole to contain the necessary explosive used in dislodging the coal from the seam. The kerf made by the cutting machine is plaining visible in this picture and you will note the cuttings of bug dust have been removed before the coal is shot. The length of the auger used by the miner and the width of the bit which determines the size of the hole bored, is also carefully regulated.'

144. Miners Preparing to Shoot Down White Oak Coal