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Colorado Prospector - Gem and mineral prospecting and mining forums > Land Rights, Laws and References > Valuable References
russau
heres a ton of research material for your winter months reading. i saw this posted over on Leonards site and thought youd like to read it here also! http://onlinebooks.library.upenn.edu/webbi...0mining&c=x
salidaZ
QUOTE (russau @ Dec 30 2013, 08:11 PM) *
heres a ton of research material for your winter months reading. i saw this posted over on Leonards site and thought youd like to read it here also! http://onlinebooks.library.upenn.edu/webbi...0mining&c=x

This is what I've been looking for, thanks!!!
Crusty
Thanks for sharing! Will check them out!
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