680 GEOLOGICAL SURVEY OF THE TEREITOEIES. 



Elevatiou, 



Eeet. 



Tennessee Pass, over main divide, at liead of tlie Arkansas Eiver 10, 418 



Main divide, at the head of Frying Pan Creek 12, 017 



Lake Creek Pass, Sawatch Range 12, 329 



Pass at the head of the North Fork of Lake Creek, Sawatch Range * 12, 462 



Pass at the head of Cottonwood Creek a 12, 695 



Divide at the heads of the Gunnison and Roaring Fork, Elk Range a 11,795 



Divide between Taylor's River and Cement Creek on trail of the party a 11, 186 



Divide between Taylor's River and Cement Creek on the Indian trail.. 10, 675 



Pass at the hf-ads of East River and Rock Creek 11, 163 



Pass at the heads of Rock Creek and Slate River 11, 679 



ELEVATIONS ON STREAMS, ETC. 



South Platte River. 



At Montgomery, (head) 11,176 



At Dudlev, mouth of Buckskin Gulcb 10, 621 



At Fairplay 9,976 



At mouth of Little Platte 8,683 



At head of upper canon, (exit from South Park) 8, 166 



At foot of upper canon 7, 623 



At mouth of Tarryall Creek, (head of lower canon) 7, 326 



At mouth of Trout Creek 5,876 



At foot of lower canon ..- 5, 476 



At Denver i. 5,176 



Tarryall Creek. 



At "Hamilton 9,743 



At exit from South Park.. 8,754 



At moutli 7,326 



Arkansas Biver. 



At head, in Tennessee Pass 10, 176 



At mouth of East Arkansas 9, 827 



At mouth of Colorado Gulch 9, 586 



At mouth of Lake Creek .*. 9,098 



At mouth of Cash Creek 8,883 



At mouth of Pine Creek.... 8,620 



At mouth of Cottonwood Creek 8,317 



At mouth of Chalk Creek 7,877 



Gunnison Biver. 



At head 11,176 



At mouth of Pass Creek 9, 869 



At head of canon 9,576 



At mouth of East River 8, 176 



Boaring Fork. 



At head ..--. 11,G9'6 



At moutb of Hunter's Creek 10,326 



At mouth of Difficult Creek 8,241 



At mouth of Castle Creek 7,942 



At mouth of Frying Pan Creek 6, 626 



Frying Pan Creek. 



At head ._. 11,012 



At foot of upper canon 8, 566 



At mouthofNorth_Fork 8,176 



At head of box canon 7, 742 



At mouth 6, 626 



ELEVATION OP THE TIMBER-LINE. 



On Pike's Peak, east face 11,721 



On Mount Guyot, north face 11,811 



On Mount Silverheels, northeast face 11, 549 



On Mount Lincoln, east face 12, 051 



