Hinsdale County from "[Colorado: a historical, descriptive, and statis...
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10th highest summit of Rocky Mountains from "[Colorado: a historical, ...
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former silver mining camp from "[Colorado: a historical, descriptive, ...
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Denver from "[Colorado: a historical, descriptive, and statistical wor...
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Plata Verde Mine and Mill from "[Colorado: a historical, descriptive, ...
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mine from "[Colorado: a historical, descriptive, and statistical work ...
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map from "[Colorado: a historical, descriptive, and statistical work o...
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Colorado from "[Colorado: a historical, descriptive, and statistical w...
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Jefferson County from "[Colorado: a historical, descriptive, and stati...
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modes of transportation from "[Colorado: a historical, descriptive, an...
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diagram from "[Colorado: a historical, descriptive, and statistical wo...
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hunters from "[Colorado: a historical, descriptive, and statistical wo...
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White River valley from "[Colorado: a historical, descriptive, and sta...
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map from "[Colorado: a historical, descriptive, and statistical work o...
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Bonanza mine from "[Colorado: a historical, descriptive, and statistic...
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leaching ore from "[Colorado: a historical, descriptive, and statistic...
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Windsor Hotel from "[Colorado: a historical, descriptive, and statisti...
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Colorado from "[Colorado: a historical, descriptive, and statistical w...
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Colorado from "[Colorado: a historical, descriptive, and statistical w...
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map from "[Colorado: a historical, descriptive, and statistical work o...
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Freeland Mine and Mill from "[Colorado: a historical, descriptive, and...
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Harrison Avenue from "[Colorado: a historical, descriptive, and statis...
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Pony Express from "[Colorado: a historical, descriptive, and statistic...
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Clear Creek County from "[Colorado: a historical, descriptive, and sta...
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sluicing for gold from "[Colorado: a historical, descriptive, and stat...
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smelting furnace buildings from "[Colorado: a historical, descriptive,...
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map from "[Colorado: a historical, descriptive, and statistical work o...
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Leadville from "[Colorado: a historical, descriptive, and statistical ...
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map from "[Colorado: a historical, descriptive, and statistical work o...
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Colorado Central Railroad from "[Colorado: a historical, descriptive, ...
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Monmouth-Kansas Gold Mill from "[Colorado: a historical, descriptive, ...
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map from "[Colorado: a historical, descriptive, and statistical work o...
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Ten Mile Mining District from "[Colorado: a historical, descriptive, a...
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George S. Lee from "[Colorado: a historical, descriptive, and statisti...
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Clear Creek County from "[Colorado: a historical, descriptive, and sta...
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site of natural mineral springs from "[Colorado: a historical, descrip...
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Emma Lake from "[Colorado: a historical, descriptive, and statistical ...
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Alps Mine from "[Colorado: a historical, descriptive, and statistical ...
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Beaver Brook Canyon from "[Colorado: a historical, descriptive, and st...
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overland stage from "[Colorado: a historical, descriptive, and statist...
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map from "[Colorado: a historical, descriptive, and statistical work o...
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Grand Canyon from "[Colorado: a historical, descriptive, and statistic...
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Denver, South Park, and Pacific Railroad from "[Colorado: a historical...
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Hazelton Mountain from "[Colorado: a historical, descriptive, and stat...
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muster from "[Colorado: a historical, descriptive, and statistical wor...
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map from "[Colorado: a historical, descriptive, and statistical work o...
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