Human history becomes more and more a race between education and catastrophe.

Posts tagged “Hydraulic mining at Rockerville

“A Golden work.”, Hydraulic mining at Rockerville, Dakota, by John C. H. Grabill, 1889.

 

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Repository: Library of Congress Prints and Photographs Division Washington, D.C. 20540. Reproduction Number: LC-DIG-ppmsc-02676

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