Longwall Face Showing Armored Conveyor, Planer, and Roof Supports
Description:
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; Please give credit to Bureau of Mines, United States, Department of Interior.
'Loading [sic] from heading to face conveying on 9% grade to boom, coal wet; distance to face 174 feet; flight type boom; Note: up until the time of taking pictures A-1-A-2-3&4 no jacks were set to support conveyor or drive.'
'It is any wonder White Oak is said to be the best prepared domestic coal marketed from W. VA., when you look at this picture of White egg coal taken as it is being loaded inot a a railroad car? Perfectly sized; perfectly screened and quality unsurpassed. No wonder it is the most popular sized coal sold in the domestic market.'