TABLE OF CONTENTS. VII 

 LIST OF ILLUSTRATIONS. 



Report op F. V. Haydbn. 

 No. Facing page — 



1. Plate I. Showing variability of the Lignitic beds ' 30 



cf <\ Section looking north from Van Bibber Creek ) 



£ ' \ Section at Bear Creek " \ 6Z 



o pi a + e tt S Fig. 1. Table Butte, capped with trachyte } „. 



' \ Fig. 2. Deposit of lignite in an irregular cavity in sandstone .. £ 



4. Plate III. Monument Park, Colorado , 36 



5. Geological map of Colorado Springs and vicinity 40 



6. Sections accompanying map of Colorado Springs and vicinity 40 



7. Preliminary map of eastern base of Eocky Mountains 41 



8 Plate IV 5 Fig. 1. Needle Rock in Glen Eyrie, Triassic sandstone ) .. 



' I Fig. 2. Concretions of sandstones, Cretaceous period $ 



q p, , v i Fig. 1. Showing changes in sediments ) ... 



a e I Fig. 2. Thickening of sedimentary beds near Manitou $ 



SFig. 1. Cross-bedding, Lignitic sandstones, near Colorado Springs 1 



Fig. 2. Silurian limestones resting unconformably on stratified > 44 



granite, William's Canon ) 



11. Plate VII. Surface-section near Glen Eyrie, Colorado 42 



12. Plate VIII. Gateway to the Garden of the Gods 42 



13. Plate IX. Cathedral Rock, Garden of the Gods 43 



14. Pleasant Park, from the south ,.. 44 



15. Plate X. Foliation of granite in Estes Park, Colorado 46 



16. Plate XI. Long's Peak and Estes Park, Colorado 46 



-.„ 5 Sketch and sections showing the moraines of the Upper Arkansas Valley ? , a 



n - \ inColorado $ 4a 



18. Moraines of the Upper Arkansas 49 



19. Plate XII. Boulder Canon, Colorado, granite 50 



20. Plate XIII. Chicago Lake, Colorado 52 



21. Plate XVI. A portion of the east face of Gothic Mountain 54 



22. Plate XV. Mountain of the Holy Cross, Colorado 54 



Report op W. H. Holmes. 



23. Fig. 1. Sections across the synclinal valley of Roaring Fork 60 



24 J Fig. 2. Chart of Sopris Peak , ) fi2 



" l Fig. 3. Section across the Sopris uplift ) 



25. Fig. 4. Sketch looking down Rock Creek 63 



26. Fig.5. Geology of station 23 64 



27. Fig. 6. View in the Snow Mass group „ 65 



28. Fig. 7. Treasury Mountain 66 



'29. Fig. 8. Cascades on Rock Creek 67 



30. Fig. 9. Relations of the coal-beds to No. 1 Cretaceous 69 



31. Fig. 10. Sections across fault-fold of Elk Mountains In + 7n , n j 71 



32. Fig. 11. Part of the great fault-fold of Elk Mountains £ between /u ana /i 



33. Map of the Elk Mountains, Colorado It* + -o ^70 



34. Sections accompanying map of Elk Mountains $ between ^ana/o 



Report op A. C. Peale. 



35. Sheet of conventional signs 76 



SFig. 1. Section A. South from Eagle River ) 



Fig. 2. Section B. Across Eagle River to Holy Cross Mount- > 80 



ain ) 



37. Plate II. Fold on Eagle River 82 



38 Plate III $ Fig. 1. Section C. Across Eagle River to station 9 } go 



" I Fig. 2. Section D. Eagle River to station 9 $ 



39. Map A. Showing lines of section on Eagle River 84 



ac\ pi +o TV 5 -Fig' 1* Section E. Across Grand River ? R u 



w. naxe 1 v . ^ Fig> 2 . Section F. From station 13 to station 14 5 



41. Plate V. Bluff on Plateau Creek 91 



42. Plate VI. Bluff on Grand River near the mouth of the Gunnison 92 



4 o ploto TT TT $ Fig. 1. Section G. From station 38 to Gunnison River ? q 7 



4.5. nare vii. j Fig 2 Secfcion H From station 77 to Cedar Creek 5 



44. Map B. Showing lines of section across Gunnison River 100 



C Fig. 1. Section I. From Gunnison River westward ^ 



A^ "Piof vttt J Fig. 2. Section K. Across the Gunnison below North Fork .. ! , n9 

 10. nave vin.-^ Fjg _ 3 Section L _ Across angle of Gunnison below the Grand ( 



^ Canon ™~-. J 



