Effective November 1, 1957,S-7-C R-2 12-65. Unissued, light wear to the covers and binding, I don't see any torn, soiled or missing pages.
Penn Central Safety Rules Maintenance of Way and Structures Employees Booklet
1943 Chicago, Milwaukee, St. Paul & Pacific Safety Rules Maintenance of Way
Conrail Safety Rules Maintenance Of Equipment Employees Booklet Manual S7-D
Conrail Safety Rules Maintenance Of Equipment Employees June 1 1981 Booklet