Several days ago, I wrote a post about my great grandfather David Lyman Blacker and his successful mining endeavors.  Here is a transcription of one of the earliest newspaper articles I have located regarding some of his early efforts.

RADERSBURG.—-Messrs. Blacker & Keating, who are developing several lodes in Radersburg, run some quartz through an arrastra, the other day, which yielded $96 to the ton.  This establishes the fact that Radersburg possesses some of the best quartz in the Territory.

The Montana post. (Virginia City, Montana Territory [i.e. Mont.]), 11 June 1869. Chronicling America: Historic American Newspapers. Lib. of Congress. <http://chroniclingamerica.loc.gov/lccn/sn83025293/1869-06-11/ed-1/seq-8/> : Accessed 7 Oct 2015.