XVIII 
ILLUSTRATIONS. 
Page. 
Fig. 1. Index map showing situation of Cripple Creek district. 12 
2. Geological section across Grouse Hill and Straub Mountain. 37 
3. Sections showing possible outline of the Cripple Creek volcanic cone at the close of the 
volcanic epoch. 39 
4. Structure of La Bella vein, Golden Cycle mine, level 9. 160 
5. Legal Tender vein, Golden Cycle mine, level 10. 160 
6. Veins in Last Dollar mine. 161 
7. Section of Howard flat vein, Anaconda mine, adit level. 161 
8. North face of No. 8 Captain vein, Portland mine, level 6. 162 
9. Sheeted zone and “flats” of the Apex vein, Ajax mine. 162 
10. Section of part of Blue Bird vein, level 13. 163 
11. Structure of the Blue Bird vein, level 9. 163 
12. Sketch section across expansion of vein on level 7, Elkton mine, looking north. 178 
13. Local structure in C. K. & N. vein. 181 
14. Diagram illustrating use of terms in descriptions of ore bodies. 206 
15. Cross section and longitudinal section of pay shoot in Prince Albert mine. 208 
16. Longitudinal section of the El Paso vein. 209 
17. Diagram of veins and stopes in upper levels of Damon mine. 210 
18. Stereogram of ore shoots on the Pinto dike and Pharmacist vein, in the Pinto and 
Wrockloff mines. 211 
19. Plan showing occurrence of ore bodies at intersection of sheeted zone and phonolite 
dike in Dead Pine mine. 212 
20. Diagrammatic plan showing occurrence of ore body in granite on level 5, Ajax mine .. 212 
21. Plan of an ore body in granite, level 4, Ajax mine. 213 
22. Diagram showing relation between the subsidence of the water in the Elkton mine and 
the outflow from the El Paso tunnel. 236 
23. Diagram showing probable extent of area practically affected by drainage tunnels into 
Beacon Hill. 250 
24. Longitudinal section showing ventilation in the Conundrum and Midget mines. 263 
25. Plan of level 1 of Anchoria-Leland mine and of adjacent levels of the Jefferson, Geneva, 
and Half Moon mines. 293 
26. Longitudinal section of the Chance vein, Anchoria-Leland mine. 295 
27. Longitudinal section of Maloney vein, Anchoria-Leland mine. 296 
28. Geological plan of portion of level 3 of the Conundrum, level 7 of the Midget, and level 
6 of the Moon-Anchor mines. 299 
29. Diagram showing relative position of levels in Conundrum and Midget mines. 300 
30. Plan of adit level, Anaconda mine. 310 
31. Plan of parts of underground working at Doctor-Jackpot and Morning Glory mines_ 316 
32. Plan of the veins of the Mary McKinney mine, level 4. 323 
33. Generalized longitudinal section of the Mary McKinney mine. 325 
34. Plan showing principal dikes and fissures on level 7 of the Elkton mine. 332 
35. Generalized longitudinal section of the Elkton mine. 333 
36. Plan of ore body in granite, Elkton mine, level 4. .... . 338 
37. Plan of level 15 of the Moose mine.. 343 
38. Longitudinal section of the Moose mine.•. 344 
39. Plan of level 2, El Paso mine. 350 
40. Diagrammatic northwest-southeast section across Beacon Hill, through El Paso and Zoe 
shafts. 351 
41. Sketch plan of level 4, Gold Dollar mine. 359 
42. Vein systems in Whisper and Dante mines, chiefly on level 4. 371 
43. Vein system of Last Dollar mine, on levels 5, 8, 10, and 12. 376 
44. Map of the Victor and Isabella vein s) 7 stems. 388 
45. Longitudinal projection of the Buena Vista and Cheyenne veins of the Isabella mine.. 390 
