Interesting General Land Office Mining Certificate, which includes a hand drawn Plat Map, description of claim and 1936 letter refecting the status of the claim as of that date.
Samuel B. Rice was the Mayor of Virginia City in Madison County Montana in 1879. Rice and partner George W. Layton discovered the Prospect min in 1880, the only large mine discoverd in the area in the period. For additional illustrations, link here: /gallery/detail/19291