REMOVE

1. Mine
2. White Pine Copper Co.
3. Ely
4. McGill

WHAT

1. Crew (1)
2. Deep Ruth (1)
3. Haul Truck (1)
4. KCC (1)
5. Kennevadan (1)

WHERE

1. Cobre (1)
2. East Ely (1)
3. Ruth (1)

WHO

1. Butterman, L. (1)
2. Jackling, D.C. (1)
3. Kefauver, K.E. (1)
4. MacDonald, D.C. (1)
5. O'Shaughanessy, M.J. (1)

WHEN

1. 1960s (1)