dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Nichols, Henry W. (Henry Windsor), - Field Museum of Natural History. Department of Geology.
    Publication info: Chicago, Field Museum of Natural History, 1922
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Arizona  Geological modeling  Gold mines and mining  Goudmijnen  Modellen
  2. By: Nichols, Henry W. (Henry Windsor),
    Publication info: Chicago, Field Museum of Natural History, 1922
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Blast furnaces  Geological modeling  Hoogovens  Iron  Metallurgy  Modellen  Smelting