pubs.usgs.gov › pp › 0359 › plate-8.pdf · 9000' 8900' 8800' connects with...

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Page 1: pubs.usgs.gov › pp › 0359 › plate-8.pdf · 9000' 8900' 8800' Connects with Argo tunnel 170 Alt 9080 ft Minor pitchblende veinlets in footwall xo BOQ 35 Position of shaft bottom