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Montana Mining Geology Maps [148101]

Currency:USD Category:Collectibles / Mining Start Price:25.00 USD Estimated At:50.00 - 200.00 USD
Montana Mining Geology Maps [148101]
SOLD
25.00USDto j****2+ buyer's premium (6.25)
This item SOLD at 2022 Dec 17 @ 08:40UTC-8 : PST/AKDT
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Three mining geology maps from Montana.

A) Two hand-drawn diagrams of the Syndicate Vein. They depict the location and a shaft of the Syndicate Vein. There are notes that indicated the weak and strong points of the vein. Both diagrams are approx. 8.5 x 11, very good condition. Most likely from the early 20th century.

B) Blueprint diagram of "Details of Tumbling Bar. #3 Shaft. Black Rock Mine. Butte and Superior Copper Co., Butte, Montana." Drawn on February 4, 1916. Approx. 34 x 26, good condition, some minor tears around the edges.

Date:
Country (if not USA):
State: Montana
City:
Provenance: Stuart Mackenzie Montana Railroad Collection