Two miners operate a cutting machine. 'Credit must be given to Willaim Vandivert, 21 East Tenth St., New York 3, N.Y., Not to be reproduced without written liscense.'
Two miners work with a cutting machine at Mine 206, Kentucky. 'This material is the property of the Consolidation Coal Co. and must be returned promptly to: Advertising Department, Consolidation Coal Company, 30 Rockefeller Plaza, New York, N.Y.