REMOVE

1. Cobre
2. Cannon, L.G.
3. Collaizi, R.

WHAT

1. American Rolling Mill Co. (1)
2. Ely Investment Co. (1)
3. Enginehouse (1)
4. GMO (1)
5. Rock Island & Door Works (1)

WHO

1. Backe, C.W. (1)
2. Buren, J.W. (1)
3. Chamberlain, A.D. (1)

WHEN

1. 1910s (1)