REMOVE

1. Bulletin
2. Operations
3. Ely
4. Copper Flat

WHAT

1. Steam (3)
2. Accident (2)
3. Caboose (1)

WHERE

1. Keystone (2)
2. Cobre (1)
3. Currie (1)

WHO

1. Cannon, L.G. (2)
2. Elmore, W.R. (2)
3. Vanderhoef, E.E. (2)
4. Fravel, H.A. (1)

WHEN

1. 1910s (2)
2. 1940s (1)