REMOVE

1. Caboose
2. Passenger
3. Report
4. Cobre

WHAT

1. Coal (1)
2. Coal Tower (1)
3. Crane (1)
4. Diesel (1)

WHERE

1. Cherry Creek (1)
2. Currie (1)
3. East Ely (1)
4. Ruth (1)

WHO

1. Armstrong, W.R. (1)
2. Cordoni, A.V. (1)
3. Stork, A. (1)
4. Whitmore, J.P. (1)

WHEN

1. 1960s (1)