The Kennecott Bonanza-Jumbo Tram Terminal:

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VIew of mill from rear:  This is the Bonanza tram terminal. On the right is the Jumbo tram.

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The ore discharges from the tram buckets here. The way it works is the bucket is unclipped from the 1 1/4 inch steel cable as it is hooked up to an overhead steel rail mounted from above.  The bucket is then brought to the vibrating grizzly where the ore is discharged. Then the bucket is pushed around the steel rail loop   to the other side where it is brought past the large cable wheel, then re-hooked to the return line so the empty bucket can proceed back up to the mines.  

A similar system existed on the other end just below the Bonanza ore bins. I don't have pictures of that end on the inside, so I am showing you the  system at the mill-end. Regrettably, all of the overhead system on the mill discharge end itself was destroyed in 1964 when the roof was torn off the mill. Fortunately, we do have the historic photos.

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