REMOVE

1. Mine
2. Ely
3. McGill
4. Smelter

WHAT

1. Crew (2)
2. KCC (2)
3. Kennevadan (2)
4. Mine Pit (2)

WHERE

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

WHO

1. Butterman, L. (1)
2. Cox, C.R. (1)
3. Davis, A.T. (1)
4. Fondi, M. (1)
5. Harris, C.E. (1)
6. Ingebretson, C. (1)
7. Jackling, D.C. (2)
8. Johnson, A. (1)
9. Kefauver, K.E. (1)
10. Kinnear Jr., J.C. (1)
11. Larsen, R.N. (1)
12. MacDonald, D.C. (1)
13. McDonald, D.C. (1)
14. Michaelson, C.D. (1)
15. Miliken, F.R. (1)
16. O'Shaughanessy, M.J. (1)
17. Requa, M.L. (1)
18. Shepherd, S.F. (1)
19. Stark, D.K. (1)

WHEN

1. 1950s (1)
2. 1960s (1)