[LB063669], Letter from Thomas Alva Edison to Herman Ernest Dick, August 17th, 1899
https://edisondigital.rutgers.edu/document/LB063669
Transcription
Aug 17th, 1899 H.E. Dick Esq 154 Lake Street Chicago, Ill Dear Sir:- The samples taken every fort for about 200 feet in the tunnel assays $4.65/100 per ton. gold. We have made several assays and there seems to be little doubt of it. This is extraordinary, when do you return. Yours truly Thos A. Edison R