Annual report of the State Mineralogist for the year ending ... . Rule M. S. Quartz Mine. 72. Moore Quartz Mine. 73. Bullion Quartz Mine. 74. Centennial Quartz Mine. 75. Hathaway Quartz Mine. 76 A. Lizard Consolidated Quartz Mine. 76 B. Lizard M. S. Quartz Mine. 77. Demijohn Quartz Mine. 78. St. Lawrence Quartz Mine. 79. Last Chance Quartz Mine. 80. California Quartz Mine. 81. Oro Fino Quartz Mine. 82. Plantz Quartz Mine. 83. Hill Quartz Mine. 84. New Era Quartz Mine. 85. Good Hope Quartz Mine. 86. Rip Van Winkle Quartz Mine. 87. Gold Leaf Quartz Mine. 88. Minna Ricca Quartz Mine. 89. R. H. Le
Annual report of the State Mineralogist for the year ending ... . Rule M. S. Quartz Mine. 72. Moore Quartz Mine. 73. Bullion Quartz Mine. 74. Centennial Quartz Mine. 75. Hathaway Quartz Mine. 76 A. Lizard Consolidated Quartz Mine. 76 B. Lizard M. S. Quartz Mine. 77. Demijohn Quartz Mine. 78. St. Lawrence Quartz Mine. 79. Last Chance Quartz Mine. 80. California Quartz Mine. 81. Oro Fino Quartz Mine. 82. Plantz Quartz Mine. 83. Hill Quartz Mine. 84. New Era Quartz Mine. 85. Good Hope Quartz Mine. 86. Rip Van Winkle Quartz Mine. 87. Gold Leaf Quartz Mine. 88. Minna Ricca Quartz Mine. 89. R. H. Lee Quartz Mine. 90. Eureka Quartz Mine. 91. Bowlder Quartz Mine. 92. Little Joker Quartz Mine. 93. Quincy Quartz Mine. 94. Bellevue Quartz Mine. 95. California Quartz Mine. 96. Franklin Quartz Mine. , 97. Humbug Quartz Mine. 98. Central Quartz Mine. 99. Welch Quartz Mine. 100. Black Jack Quartz Mine. 101. Butts Extension Quartz Mine. 102. 88 Quartz Mine. 102. White Cloud Quartz Mine. 103. Wortman Quartz Mine. 103. Lucky Quartz Mine. 104. Grass Ravine Quartz Mine. PLACER COUNTY. 429 A number of the mines, however, have shoots of free-milling ore. The South Yuba Canal Company supplies water to all parts of thedistrict, affording a cheap and reliable power for hoisting and millingmachinery. (See map of Ophir and Duncan Hill Districts.) Hathaway Mine. This mine is located about three quarters of a mile southwest fromthe town of Ophir, on the south side of Auburn Ravine, at an altitudeof seven hundred and sixty-five feet, and consists of a location six hun-dred by eighteen hundred feet. The ore vein is quartz, three feet wide, carrying argentiferous galena,zincblende, and pyrites containing copper, arsenic, and iron. The course is north 75 degrees west, and the dip 75 degrees to the foot wall is syenite and the hanging wall talc schist. The upper level of the mine is worked through a tunnel fourteen hun-dred feet in length, and the lower levels through a shaft two hundredfe
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