1849-1876 Gold and Silver Production Charts

Received today an original copy of the Biennial Report of the State Mineralogist of the State of Nevada for the Years 1875 and 1876 that I had won on ebay. The book contains fascinating, indepth information and figures on practically every mine and mill in Nevada during that era--but I won't bore y'all with that stuff. But these charts were too cool to pass up on posting:





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<< <i>Very cool! I wouldn't but much faith in the estimates though. They look very rough. >>
The United States estimates are extremely accurate. The other nations, I don't know.