Arnold Hague's 1904 topographical survey map of the spectacular Mammoth Hot Springs Travertine Terraces in Yellowstone National Park, Wyoming. Centered on the Cleopatra Spring in Minerva Terrace, this detailed map covers the Travertine Terraces from the Painted Pool on the White Elephant in Highland terrace to the McCartney Cave in Hotel Terrace. It also identifies Liberty Cap on the Hymen Terrace. Building over thousands of years and still growing, the Mammoth Terraces constantly change shape and color. The map also features some roads and buildings including the famous Mammoth Hot Springs Hotel, military quarters, the Cottage Hotel, Capitol Hill, a hospital, a stable and a cottage. This particular map was part of Hague's study of the regions unique geology and the related geothermal activity. Published by the United States Geological Survey in 1904.