ILLUSTRATIONS. XIX 
Page. 
b'ic;. 46. Cross section of the Buena Vista and East veins at the Lee shaft, Isabella mine. 390 
47. Vein system on level 11, Bindley mine. 410 
48. Cross section of Findley vein through Findley shaft, looking northwest. 410 
49. Map of fourth (550-foot) level, Hull City mine... 413 
50. Cross section of Hull City mine, looking northwest. 414 
51. Map of level 12, Vindicator mine..... 419 
52. Cross section of Vindicator mine along line L-J on plan, looking northwest. 420 
53. Cross section through Christmas shaft, looking northwest. 423 
54. Cross sections of the Lillie vein, perpendicular to the plane of shafts 1, 2, and 3. 425 
55. Map of level 6, Golden Cycle mine. 428 
56. Plan of the'Portland mine.... 432 
57. Generalized longitudinal projection through the Portland mine. 433 
58. Stereogram of Anna Lee ore chimney. 447 
59. Map of level 4, Stratton’s Independence mine. 454 
60. Map of level 8, Stratton’s Independence mine. 455 
61. General north-south section through Stratton’s Independence mine... 458 
62. Section through Stratton’s Independence mine. 459 
63. North-south section through the Ajax shaft. 479 
64. Plan of level 7, Gold Coin mine. 488 
