Old Stamp Mill Items Found!

Richard Colvin recently unearthed some items from the old stamp mill, which used to be located on the San Pedro River in Mammoth.

Mr. Colvin’s property is on the old stamp mill site. While doing some excavation for improvements on the property, he dug up a variety of buckets, pump housings, and gears.

stamp mill items scattered on the groundOf particular interest is the bucket and length of cable. This is apparently part of the conveyor system that ran from the mine up on the hill down to the mill. 

stamp mill bucket

The bucket was built by the Trenton Iron Works, which, according to the Historic Marker Database, operated from 1847 to 1867. 

manufacturer's seal on stamp mill bucket

Recognizing the importance of the stamp mill in Mammoth history, Mr. Colvin contacted the Mammoth Historical Society and offered to donate some of these items. Some duplicate items were donated to the Oracle Historical Society.


Thank you so much for you contribution to the preservation of Mammoth history, Mr. Colvin.

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