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Oakland shaft



A difficult fire broke out in the Briggs mine on March 27, 1920. The fire resisted all attempts that were made to extinguish the burning section. Finally, it was decided to seal off the area with concrete bulkheads and sink a ventilation shaft. The nearby Oakland claim was chosen as the site for the new shaft. Sinking began for this 1 ½ compartment shaft on June 6, 1920 and the shaft was completed to its final depth of 827ft. on September 3, 1920.  In the 1990’s only the foundations of the small hoist and a three foot deep depression over the shaft site remained.

Oakland and Briggs Shafts Bisbee Az

The Oakland and Briggs Shafts. The Briggs has the massive  steel headframe and the Oakland has a small square sheet metal fence.

Oakland  Shaft Bisbee Az

Close up of the Oakland Shaft in the 1930s, it is surrounded by a sheet metal fence The headframe and hoisting facilities have been long since removed.

 Drawing of the Oakland  Shaft Bisbee Az
Diagram of the Oakland  Shaft Bisbee Az showing the compartments

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