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.'
Conveyor Belt at Truax Traer Coal Company, Elkville IL
Description:
This is written on the back of the photo: 'Junction point two (2) 30"x1200' Conveyors Truax Traer Company, Elkville now used in Cabin Creek mines in West Virginia'