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By Frank C. Schrader

Page Introduction.............................. 196 Geology of the District......................... 196 Ore Deposits of the District....................... 198 Gcncral Description........................ 198 The Cerbat Mountains Group................... 199 General Description...................... 199 Tennessee Mine....................... 203 Midnight Mine........................ 203 Mineral Park........................ 204- Golconda Mine........................ 204 Other Ore-bearing Districts.................. 205 Lost Basin District ...................... 205 The Black Mountains Group.................... 206 Tom Reed-Gold Road District...................... 208 General Dcscription........................ 208 Development........................... 209 Topograplly............................ 210 Geology.............................. 210 Ore Deposits........................... 213 General Dwcription...................... 213 Zones.......................:....215 Structure of Ore Shoots.................... 217 Gold Road Mine ......................... 218 General Description...................... 218 Geology........................... 218 Ore Deposits......................... 219 Tom Reed Minc......................... 222 General Description..................... 222 • Ore Deposits.......................... 222 Development......................... 223 Character of Ore....................... 224 Other Mines........................... 224 Fields Similar to the Ton1 Reed-Gold Road District......... 227

Jan 1, 1917

COUNCIL OF SECTION DELEGATES Jack A. Criehton. Chairman Allen T. Cole. Vice Chairman M I. Signer, Secretary EXECUTIVE COMMITTEE W. C. Leonard, North Pacific W. K. Beck, Cleveland W. W. Leonard, Southwest Texas

Jan 1, 1952

Jan 1, 1925

Jan 1, 1961

By Derek C. Shelton

This chapter covers the preparation of specifications for a dry crushing and wet grinding comminution circuit.

Jan 1, 1982

Jan 1, 1923

Jan 1, 1881

Jan 1, 1923

Jan 1, 1923

Jan 1, 1923

Jan 6, 1951

By Albert J. Phillip

Jan 1, 1947

Jan 1, 1884

By Albert J. Phillip

Jan 1, 1947

Jan 10, 1951

Jan 1, 1883

Jan 1, 1899

NORTH AMERICA Number Members Alaska 31 Canada 302 Mexico 175 Newfoundland 3 United States Alabama 52 Arizona 131 Arkansas 9 California 723 Colorado 184 Connecticut 98 Delaware 19 District of Columbia 133 Florida 16 Georgia 6 Idaho 61 Illinois 241 Indiana 57 Iowa 7 Kansas 32 Kentucky 33

Jan 1, 1932

Jan 1, 1885

Jan 3, 1950