Keywords: Interior view of the mill at Marysville Montana by Carleton E Watkins.jpg en Interior view of the mill at Marysville Montana mammoth photographic plate by the American photographer Carleton E Watkins Courtesy of the Yale Collection of Western Americana Beinecke Rare Book and Manuscript Library Yale University New Haven Conn Beinecke Rare Book Manuscript Library Yale University http //beinecke library yale edu/dl_crosscollex/brbldl_getrec asp fld img id 1064059 Creator Carleton E Watkins 1884 1885 or 1890 PD-old Black and white photographs Mining in Montana Photographs by Carleton E Watkins |