One of the Oldest Copper Mining Shafts -- Keweenaw

U.S. Pat. Off.) ONE OF THE OLDEST COPPER MINING SHAFTS-KEWEENAW LAND OF MICHIGAN'S COPPER COUNTRY One of the Oldest Copper Mining Shafts- This shaft exemplifies the modern Country Mining practice, having one of the world's biggest hoisting engines. Copper Hi folks- never sand пел acopper mine with Post a before of boot 408 WE TRUST IBERTY the mines familiar. It's very mit Ms. d. Webb Cook here on the lakes тоято 30 Canterbury SW but in Caly it had a good bup Grand Rapids kep. was beautiful - but horsey! Michigan Soon. Love father