TY - BOOK AU - Hintze,Lehi F. TI - Lower Ordovician trilobites from western Utah and eastern Nevada T2 - Utah. Geological and Mineralogical Survey. Bulletin AV - QE169 .A3 no. 48 PY - 1952/// CY - Salt Lake City KW - Trilobites KW - Paleontology KW - Utah KW - Nevada KW - Ordovician N1 - Bibliography: p. 244-249 ER -