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Pittsburgh Consolidation Coal Company mine.<br />

181. Miner Operating a Joy Cutting Machine

182. Coal on Conveyor Belt at Jamison No. 9 Mine

Permission is granted to reproduce this photograph only on condition that each reproduction shall bear the following credit line:  Photograph by Norfolk and Western Railway.

183. Fully Loaded Coal Train Two Miles Underground

184. Mining Equipment at Fairmont Machinery Company

Modified longwall mining with a German coal planer. Progress report 2: Completion of mining in three adjacent panels in the Pocahontas No. 4 coal bed, Helen, W. Va; If this photograph is used for publication, please give credit to the Bureau of Mines, United States Department of Interior.

185. Wood Crib Constructed with Crib Releases

Mechanic working on what appears to be a turbine.

186. Mechanic Working on Mining Machinery

A continuous miner in action.

187. Lee Norse CM28E Continuous Miner

Continuous miner in action.

188. Lee Norse CM28E Continuous Miner

189. Mechanic Working in the Mathies Underground Machine Shop

190. Interior of Mathies Underground Machine Shop

191. Oxen Pulling Coal Cart in an Underground Mine

192. Miners Operating a Cutting Machine at Consolidation Coal Company Mine No. 3