Union R.R.- Modifications of Interlockings, "MO" Tower, Bessemer, "J" Tower, Duquesne, "BR" Tower, Bull Run, and Munhall, Pa. BS-Ap-No. 15444
File — Box: 142, Folder: 24
Dates
- 1883-1973
Language of Materials
Collection material in English
Conditions Governing Access
From the Collection:
Access to the collections in the Kheel Center is restricted. Please contact a reference archivist for access to these materials.
Extent
153.56 cubic feet
Repository Details
Part of the Kheel Center for Labor-Management Documentation & Archives Repository