Found at “Silicon Valley’s Gold Rush Roots—Asterisk” on 2024-06-04 10:16:34 +02:00.

In 1855 miners in Grass Valley began a discussion club to exchange the latest ideas, and (…) the California Mining Journal, began publication there the following year.

California Mining Journal Volume 49, Number 6. A copy of the California Mining Journal Volume 49, Number 6, from February 1980. Highlights include the decrease in available public lands and price controls.