| Who What Where WhenWHATWHEN | REFINE  Browse All : Atlas Map and Geologic Atlas by Hague, Arnold and Chapman, R.H.
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       Author Hague, Arnold Full Title Detail Map of Mammoth Hot Springs Travertine Terraces. Topography Sheet XX. Monograph XXXII. Yellowstone National Park. U.S. Geological Survey. Charles D. Walcott, Director. 1904. Julius Bien & Co. Lith. N.Y. Topography by Anton Karl, assisted by Joseph R. Bien. Mapped in 1887. Partially revised 1899 by R.H. Chapman. Publisher United States Geological Survey 
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