4093

Mining Signal Boards and Bunch Blasting Procedures [138448]

Currency:USD Category:Collectibles / Mining Start Price:75.00 USD Estimated At:150.00 - 200.00 USD
Mining Signal Boards and Bunch Blasting Procedures  [138448]
SOLD
160.00USD+ (40.00) buyer's premium + applicable fees & taxes.
This item SOLD at 2021 Oct 31 @ 09:38UTC-7 : PDT/MST
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These three information boards are for hoist engineers giving codes of hoist movements, and Bunch Blasting Procedures. One board is from the Molly Kathleen mine in Cripple Creek, Colorado. All boards are of heavy paper. Bunch Blasting Procedures (from Butte, MT) has soft corners otherwise in very good condition.

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