sentences:  One of the last major shipments to occur was Indiana limestone for the construction of Baltimore's Cathedral of Mary Our Queen in 1956.The Baltimore–Whiteford segment in Maryland was finally abandoned altogether on June 11, 1958, leaving only the stone abutments where the tracks crossed York Road in Towson on a steel girder bridge.A local group of history buffs placed a bronze plaque on the west abutment in 1999, commemorating the departed railroad's place in Towson history.