Descriptive InformationB and O RAILROAD BRIDGE (MAIN LINE) Portion of the Freight Bridge can be seen to, the right. Maryland Heights in background. Also can see through the tunnel. Original caption: NHF-3325 - Band O Railroad. Number: NHF-3325. Subject or Title: B+O Railroad. Negative on File: A.V. files Yes __ No. Location of Pix: Comments: Taken in March 1971 by T. Gray. Dept. of the Interior National Park Service. Photo: Thomas C. Gray.
