National Park Service
National Park Service
BLRI_bridge girder
Bridge girder of prestressed concrete beiing moved into place along the Blue Ridge Parkway, June 1959. National Park Service photograph by Jack E. Boucher; Negative Number 59-JB-272.
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Uploaded on June 10, 2016
BLRI_bridge girder
Bridge girder of prestressed concrete beiing moved into place along the Blue Ridge Parkway, June 1959. National Park Service photograph by Jack E. Boucher; Negative Number 59-JB-272.
14,674
views
4
faves
0
comments
Uploaded on June 10, 2016