REMOVE

1. School
2. Operations

WHAT

1. Correspondence (4)
2. Passenger (4)
3. School Train (2)

WHO

1. Beem, H.J. (2)
2. Duddleson, T.J. (2)
3. Hickey, G.L. (2)
4. Cannon, L.G. (1)
5. Carpenter, A.J. (1)

WHEN

1. 1930s (2)
2. 1900s (1)
3. 1910s (1)