TY - RPRT TI - Eighteenth annual report of the United States Geological Survey to the Secretary of the Interior, 1896-1897: Part V - Mineral resources of the United States, 1896, nonmetallic products, except coal AU - Edward Wheeler Parker AU - F.H. Oliphant AU - Jefferson Middleton AU - William C. Day AU - Heinrich Ries AU - T.C. Hopkins AU - C.E. Siebenthal AU - T.W. Vaughan AU - Spencer Newberry AU - George F. Kunz AU - Albert C. Peale PY - 1897 DO - 10.3133/ar18_5continued UR - https://pubs.usgs.gov/publication/ar18_5continued ID - ar18_5continued ER -