Formats: Still image / Subjects: Geology and Silicon Dioxide / Titles: Skull Rock, (granite), Sherman Station, Laramie Mountains / Genre: Pictorial Works and Book Illustrations / Copyright: Public domain / Dates by Range: 1850-1899 - Digital Collections - National Library of Medicine Search Results

Start Over Formats Still image ✖ Subjects Geology ✖ Subjects Silicon Dioxide ✖ Titles Skull Rock, (granite), Sherman Station, Laramie Mountains ✖ Genre Pictorial Works ✖ Genre Book Illustrations ✖ Copyright Public domain ✖ Dates by Range 1850-1899 ✖