Two miners test for gas in mine. Hamilton Wright Organization Inc. 80 Rockefeller Plaza, New York City, 'Newspaper Feature News' This photograph released to you GRATIS for editorial use only. Do not use for advertising purpose without written permission.
'Safety first is stressed in every possible way in White Oak mines. Note the posts set to protect this man at his labor. He is waiting for another mine car so he can clean up his work place and make it ready for the mining machine crew who will cut it during the night ready for him to work tomorrow.'