Open pit mines

 

 

Open pit mining Bisbee Arizona

The Art of Open Pit Mining 1917-1975

The concept of surface mining using steam shovels to dig blasted rock and load it into railroad cars  had been used in the iron mines of Michigan and for copper at Bingham Canyon..... pdf download

progession of  open pit mining in Bisbee Arizoan

Progression of open pit mining

 

Image showing  the progession of  open pit mining  1917-1975.

 Holbrook extension of the Lavender Pi

Holbrook Extension panorama

Image of the Holbrook extension of the Lavender Pit with features marked.

pdf download

Lavender pit 1957

Lavender pit 1957 panorama

Image  of the Lavender Pit mine complex - maintenance shops and offices at left; the open pit mine center; concentrator right. February  1957

Sacramento pit 1925

Sacramento  pit 1925 panorama

Image  of the Sacramento pit in 1925, including the terminal of the Shattuck tramway, Lowell and Warren.

pdf download

Lavender Pit mine complex 1963 Bisbee Arizona

Lavender pit mine complex 1963 panorama

Image  of the Lavender Pit mine complex - maintenance shops and offices at left; the open pit mine center; concentrator right. 1963

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© 2013 by Doug Graeme