REMOVE

1. Operations
2. Cherry Creek
3. Davidson, H.A.
4. Durkee, R.S.

WHAT

1. GMO (1)
2. Greek American Mines Co. (1)
3. Ore (1)
4. Structures (1)

WHERE

1. Warm Springs (1)

WHO

1. Backe, C.W. (1)
2. Cannon, L.G. (1)
3. Duddleson, T.J. (1)

WHEN

1. 1910s (1)