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This image shows the immense large sized operation of the famous Portland Mine, both shaft no. 1 & no. 2 is visible. The image is of later date as there are large dump/fill areas, lot of cribbing been done, the large crib wall in the background below Portland No. 2 is along the Short Line grade going towards the Ajax Mine high up on Battle Mountain. In the foreground is the massive structures belonging to the Portland No. 1 mine, a huge operations, even if only judging by the size of the structures and the dumps.