Cyanotype print. Description on reverse: I. & M. Canal
Exc. At Lock #37
Steamer A.J. Whiney in distance
Taken Nov. 1892 by J.W. Woermann
F.S.H. – Engr. in charge
Cyanotype print. Description on reverse: I. & M. Canal
Exc. At Lock #37
View of pit just after dredge went out and coffer-dam was put in. Pump-house at end of pit. Steamer A.J. Whitney in Rock River to right.
Taken Oct. 1892 by J.W.W.
F.S.H. – Engr. in charge
