Barge No. 50 of Seaboard Sand and Gravel Corp. hoisting machinery out of water gelatin glass negative Seaboard Sand & Gravel Corp. 1964.660.3468 ViewFloating derrick CENTURY at site of bridge? accident gelatin silver print Merritt-Chapman & Scott Corporation 2008.28.6.25 ViewBridge? accident gelatin silver print Merritt-Chapman & Scott Corporation 2008.28.6.26 View
