tpecyna
tpecyna@post-gazette.com
September 21, 2021
USSteelArchive
A rooftop heliport on the U.S. Steel building. (U.S. Steel Archive)
A rooftop heliport on the U.S. Steel building. (U.S. Steel Archive)
tpecyna
tpecyna@post-gazette.com
September 21, 2021