Rensselaer Semi-Weekly Republican, Volume 38, Number 83, Rensselaer, Jasper County, 13 July 1906 — Sapphire Mining in Montana. [ARTICLE]

Sapphire Mining in Montana.

Whftt experts of the geological surrey say is the greatest gem mine in the world is about to Is* JSorkedln the Zego gulch, Montana. The vein is four miles long on the surface and extends to an unknown depth. The stones obtained are not large, but are of unusual brilliancy and of many nhades of blue. They are sent to Amsterdam for cutting and yield nearly half their ~freight tn imfitiished stones. Tire survey reports that the output of gems In this country in 1905 was valued at 1320,350. The sapphire mines led with a yield «C 1125,000.