Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Transportation within the mine is as carefully planned and coordinated as in a busy freight yard. A system of block signals and switches and miles of track make it possible to move out thousands of tons of coal a day
Summary
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, 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