MAN OPERATING A CONTINUOUS MINER IN VIRGINIA-POCAHONTAS COAL COMPANY MINE #3 NEAR RICHLANDS, VIRGINIA. NOTE THE REDDISH BOX IN FRONT OF THE OPERATOR. IT AUTOMATICALLY CUTS OFF THE MACHINE IF METHANE GAS REACHES A CERTAIN LEVEL. THE CONTINUOUS MINER PASSES THE COAL BACK TO A SHUTTLE CAR WHICH TAKES IT OUT OF THE TUNNEL TO THE CONVEYOR FOR TRANSPORT OUT OF THE MINE

Chicago citation style
Environmental Protection Agency. 12/2/1970. MAN OPERATING A CONTINUOUS MINER IN VIRGINIA-POCAHONTAS COAL COMPANY MINE #3 NEAR RICHLANDS, VIRGINIA. NOTE THE REDDISH BOX IN FRONT OF THE OPERATOR. IT AUTOMATICALLY CUTS OFF THE MACHINE IF METHANE GAS REACHES A CERTAIN LEVEL. THE CONTINUOUS MINER PASSES THE COAL BACK TO A SHUTTLE CAR WHICH TAKES IT OUT OF THE TUNNEL TO THE CONVEYOR FOR TRANSPORT OUT OF THE MINE. 1974-04. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/556396. (Accessed December 11, 2018.)
APA citation style
Environmental Protection Agency. 12/2/1970, (1974-04) MAN OPERATING A CONTINUOUS MINER IN VIRGINIA-POCAHONTAS COAL COMPANY MINE #3 NEAR RICHLANDS, VIRGINIA. NOTE THE REDDISH BOX IN FRONT OF THE OPERATOR. IT AUTOMATICALLY CUTS OFF THE MACHINE IF METHANE GAS REACHES A CERTAIN LEVEL. THE CONTINUOUS MINER PASSES THE COAL BACK TO A SHUTTLE CAR WHICH TAKES IT OUT OF THE TUNNEL TO THE CONVEYOR FOR TRANSPORT OUT OF THE MINE. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/556396
MLA citation style
Environmental Protection Agency. 12/2/1970. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/556396>.
Note: These citations are programmatically generated and may be incomplete.