64 



form, as well as a most instructive geological picture. The 

 base of the mountain is cretaceous, then comes a broad, deep 

 band of eruptive rock, covered with the cretaceous, winch is 

 again surmounted with the volcanic material forming its sum- 

 mit. Elevation, 13,323 feet. 



No. 30. White Rock MOUNTAIN, a portion of the granitic core of the 

 Elk Mountain, lying some six or eight miles east of Gothic 

 Mountain. (See No. 102 of 11 X 14 series, page 80.) 



No. 10. East River Pass, looking across the head of East River and 

 the pass that reaches the head of Rock Creek. 



No. 41. Vikw down BAST RIVER, from the pass, showing Gothic 

 Mountain and Crested lbttte in the distance. 



No. 42. A spur OF Tin: ELK MOUNTAINS, lying near the head of East 

 River, showing granitic eruption, with sedimentary beds 

 Lying up on either flank. 



No. 43. Lookinc south across Rock Creek, toward the Snow Mass 

 and Capitol. (Same as No. 101 of previous series.) 



No. 44. TREASURE Mountain, and view down the canon of Rock 

 Creek, toward the Grand. 



No. 45. View south, across East Riveb Pass. 



No. 40. Elk Lakh AND Snow Mass MOUNTAIN. 

 To. 47. ELK Lake, shadow view. 



No. 48. Treasure Mountain. 



No. 10. Snow .Mass .Mountain', from the south, showing a portion of 

 the snow-lield, from which it derives its name. 



No. 50. Cascades on Boos Greek, tumbling down the rocks a height 



of 5(M) feet, from Eik Lake, winch lies in a large amphitheater 



above. 

 No. 51. A PICTURESQUE FALL upon the righMiand branch of Rock 



(reek, flowing over almost coal-black shales, and running 



diagonally through them, under the falls, is a very distinctly 



marked trachytic dike. 

 No. 52. FALLS on ROOK GREEK, a few rods above the former. 

 No. ~>3. Olio City, California Gulch, on the western slope of the Turk 



Range, and directly opposite the view shown in Nos. 10 and 



17 of this series. It is a mining town, pure and simple. 

 No. 54. Grand or Massive Mountain, from near mouth of California 



Gulch. 

 No. 55. Arkansas Valley, looking south, connecting with the pre- 

 vious view from same stand-point, showing Mount Elbert on 



the right, then La Plata and Harvard. 

 No. 50. A BLUFF OF paleozoic sandstones, 1,500 feet in height, on 



Eagle River, opposite mouth of Roche Moutonnee Creek. 

 Nos. 57-58. Roches MoUTONNEBS, near foot of the Mount of the Holy 



Cross, the first looking Up and the other down the valley. 

 No. 59. Distant view of the Mount of the Holy Cross and Roche 



Moutonnee Valley. 

 No. 00. Mount of the Holy Cross. 

 Nos. 01-01. Panorama, from near the Mount of the Holy Cross. 



STEREOSCOPIC VIEWS. 



Nos. 040, 041. LONG'S PEAK, from Estes Park. 



Nos. 042, G43. Estes Park. 



No. 044. Long's Peak, from Prospect Mountain, Estes Park. 



No. 045. Long's Peak and Lilly Lake. 



No. 040. Long's Peak, from near head of Little Thompson River. 



