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Downer Bros. Assayers and Mine Engineers Archive [118167]

Currency:USD Category:Collectibles / Mining Start Price:200.00 USD Estimated At:400.00 - 700.00 USD
Downer Bros. Assayers and Mine Engineers Archive  [118167]
SOLD
450.00USD+ (112.50) buyer's premium + applicable fees & taxes.
This item SOLD at 2021 May 14 @ 10:56UTC-7 : PDT/MST
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Small archive of about 20 letters, documents and three personal diary/ledgers with mine notes from R.H. Downer, c1903-1912, plus one 1918 letter. This group is of particular interest to mining geologists and engineers. One brother ran the assay business in Goldfield, and the other was a traveling consulting mine engineer. Thre three notebooks record dozens of mine/property examinations in New Mexico, Arizona, Mexico (the former all from 1903), California and Nevada (this group c 1906-1912, and not complete). Underground workings of many mines are sketched in the ledgers. The only down side is that the reader does not have the sample results to go with his notes on each mine or prospect. The group also contains mine property reports on several properties, including the Nevada Tule, which was a mine in Tule Canyon near Lida. In Nevada, Downer workded at Tonopah, Goldfield, Bullfrog and Rawhide in the very early discovery time of 1907 at Baloon Hill. In California he worked all around the mid-central Mother Lode at Grass Valley, Gold Lake, Round Lake etc. (report on Nelson Point), and in the Shasa region from Yreka north and west into Trinity (Black Bear) and Sawyer's Bar on the Salmon River. He also sojourned down to San Bernardino County. Letters evolve around two locations: Goldfield and the Lou Dillon property and Ouray, Colorado. One Nevada telegram speaks of the Little Florence, a fabulously rich claim in Goldfield.

Date:
Country (if not USA):
State: Nevada
City: Goldfield
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