Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. After a face of coal has been "cleaned up', an electrically driven cutter undercuts the face with a three foot deep cut. Above this undercut, and near the roof of the face, holes are drilled which take the powder or Cordox shell, for shooting down or blasting the cool
Summary
Picryl description: Public domain image of a coal mine, mining, free to use, no copyright restrictions.
Tags
Date
01/01/1942
Contributors
Collier, John, 1913-1992, photographer
Location
Pittsburgh (Pa.), 40.44056, -79.99583
Source
Library of Congress
Copyright info
No known restrictions. For information, see U.S. Farm Security Administration/Office of War Information Black & White Photographs http://www.loc.gov/rr/print/res/071_fsab.html