Hi All,
I have been interested in the historical activity of some of the mines in Las Flores Canyon and Pine Canyon in Altadena. I am particularly curious about the history and the dates that the mines became active and when they closed down (especially the Golden Star Mine, Tunnel #4, and some of the other deep mines in Las Flores Canyon as well as the Surprise Mine in Pine Canyon - any mine that has cave pearls as I am curious about how old they might be). I am sure that some documentation is available, but I am not experienced in searching archives for reliable historical information about mine activity. If anyone knows were I can find such information, please let me know.
Here are some photographs I've taken over the past few moths if you'd like to see them from the inside.
Golden Star Mine Tunnel (above)
Golden Star Mine Mineral Precipitates (above)
Surprise Mine (above)
Cave Pearls in the Surprise Mine (above)
Tunnel #4 (above)
Precipitate Minerals in Tunnel #4
Question about history of Mines in Las Flores Canyon and Pine Canyon in Altadena
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Those mines are very cool. I don't know the history, but you will be hearing from jeko1034 shortly 

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- Supercaff
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Hello!!!!! I know all the history of these mines! I've even excavated 1 previously unknown one in Las Flores and another in Pine with the help of @1blazepatrick1 @dima @brotherbvideos and my buddy Eli. I'd love to hop on a call or meet in person to discuss the history since it's so vast. I'll send you a PM
stoke is high