| Reference | {Deposit:: MINING WORLD, 1960 , OCT. VOL. 22 , NO. 10 , P. 92 .}{Deposit:: ENGINEERING & MINING JOURNAL, 1963 , VOL. 164 , JULY, P. 140 .} |
| Reporter | Lee, W., Bradley, Robin (Walker, George W.), Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J. |