M-18

Lewistown to Newport. Originates.

Info in 1951 234-B.

Between sessions consist is changed and M-18 becomes M-22.

M-19

Newport to Lewistown. Terminates.

Info in 1951 234-B.

M-22

Mount Union to Lewistown. Terminates.

Info in 1951 234-B.

M-23

Lewistown to Mount Union. Originates.

Info in 1951 234-B.

Between sessions consist is changed and M-23 becomes M-19.