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Kennedy Mine map down to the 1850 foot level; Shows ore stopes mined before 1890s [123663]

Currency:USD Category:Collectibles / Mining Start Price:150.00 USD Estimated At:300.00 - 500.00 USD
Kennedy Mine map  down to the 1850 foot level; Shows ore stopes mined before 1890s [123663]
SOLD
225.00USD+ (56.25) buyer's premium + applicable fees & taxes.
This item SOLD at 2021 Dec 18 @ 13:00UTC-8 : PST/AKDT
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Hand drawn longitudinal section map - very rare. Shows the ore bodies of the famous Kennedy Mine. Discovered in 1856 and producing up until 1942 reaching a vertical depth of 5192 feet, the richest gold mine in California produced $34,280,000. Under new management in 1885, the Kennedy Mining & Milling Co. operated through 1900 producing 36,000 tons of ore per year with the sulphurets running $150 a ton, the richest on the lode. In 1898 the North Shaft had reached an incline depth of 2400 feet encountering a large body of ore. From 1860 up until this time the mine had produced $8M in gold and paid $3M in dividends.

Date: c1890
Country (if not USA):
State: California
City: Jackson
Provenance: