Subject Terms: Geology -- West (U.S.) and Rocky Mountains -- Description and travel. - YCBA Collections Search Search Results

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Subject Terms Geology -- West (U.S.)

Subject Terms Rocky Mountains -- Description and travel.

Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and 1820 :

Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and 1820

1823