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Title: Report of investigations.

 

SuDoc: I 28.23:

Item Number: 0637-A

CGP system Number: 000175199

 

 

 

 

In Situ Stress at the Lucky Friday Mine

 

Rock Mechanics Study of Shaft Stability and Pillar Mining, Homestake Mine

 

Rock Mechanics Investigations at the Lucky Friday Mine

 

Other: