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Wheels West Day in Susanville History – April 20th, 1941

Thursday, April 20th, 2017

Diamond Mountain Custom Mill, 1941 ~ From the Eastman Studio's postcard

Diamond Mountain Custom Mill, 1941 ~ From the Eastman Studio’s postcard

Plant Operating Near Susanville
April 20, 1941

Fifteen hard-rock miners are employed at the new $20,000 plant of the Diamond Mountain Mine and Milling Co., which started a little over a week ago for the season.

The mill is operating for the first time since construction, with A. G. Lantz, a San Jose contractor, and Ralph Fitzpatrick, Petaluma business man, the sole owners. R. S. Barthoff, formerly of Quincy, is the superintendent in charge.

The new plant includes a ball mill with flotation equipment for the recovery of gold lost in the first milling process.

Work is in the primary stage as samples are being taken every half hour from the new ore and tailing to determine the rate of the metal production per ton. Up to the present time the re has produced about $6 per ton, but it is expected that more can be saved as the process is changed to meet metallurgical requirements.

The plant, which is on the George N. McDow Jr. property six miles north of Susanville, is equipped with a modern assay plant. Power is furnished by the rural electrification administration.


We are always looking for new pictures to preserve and share in our historical photo collection and we would love to see yours.Your picture will be added to our digital archive for future use and we will make sure you receive credit whenever possible. Email your contribution along with your name and a short description of what you’ve sent to webxtra@susanvillestuff.com. A digital copy of every submission will also be donated to the Lassen Historical Society for preservation in their files.

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One Response to Wheels West Day in Susanville History – April 20th, 1941

  1. Robert Hubbard

    Robert Hubbard

    Thursday, April 20th, 2017 at 7:49 am

    I came upon a caved in mine, while logging along the base of Diamond Mtn, in the Gold Run area.. back in 1980. I crawled in just far enough, to see the rotting timbers still standing, farther in.

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