GEOLOGICAL SURVEY OF THE TERRITORIES. 801 



List of elevations on Yellowstone River. 



Miles from 

 mouth of 

 Shield's 

 River. 



Elevation. 



Fall per 

 mile. 



At YelloTTstone Lake 



At Mud Geysers 



At top of upper falls 



Height of upper falls, 140 feet 

 Top of lower falls 



Height of lower falls, 397 feet. 



Mouth of Tower Creek 



At bridge, mouth of East Fork 



Month of Gardiner's River .... 



At " Devil's Slide" 



Month of Caiion Creek 



At Butler's Ranch 



At head of Lower Canon 



105.5 



99.5 

 90.5 



90.0 



77.0 

 74.0 

 54.0 



48.0 

 38.0 



28.0 

 8.0 



7,788 

 7,705 

 7,693 



7,485 



6,207 

 5,978 

 5,360 

 5,160 

 5,058 

 4,985 

 4,643 



Feet. 



13.8 

 1.3 



136.0 



67.8 

 76.3 

 30.9 

 33.3 

 10.2 

 7.3 

 17.1 



Mevations-on the East Fork of the Yellowstone. 



Miles from 

 forks. 



Elevation. 



Fall per 

 mile. 



Month of Slongh Creek a.. 



At forks of East Fork a.. 



a., 

 a.. 



Head of Middle Branch of East Fork a. 



10 

 12 

 13 



5,986 

 6,286 

 6,436 

 6,536 

 6,586 

 6,746 

 6,886 

 7,586 



Feet. 



25 



50 

 75 



80 

 140 



(a) Measured by aneroid. 



List of elevations on the Madison River. 



Miles from 

 mouth. 



Elevation. 



Fall per 

 mile. 



Extreme source, Madison Lake, (Mr. Hering's 

 report.) 



In Upper Geyser Basin 



Mouth of East Fork of Fire-Hole 



Mouth of Gibbon's Fork 



At camp 16 



At mouth of East Fork of Madison 



In middle of second canon 



Three miles above camp 20 



At mouth of Indian Creek 



At camp 23, near English George's Ranch 



At head of Lower Canon 



At bridge 



At camp 26 



At mouth 



170 



160 



148 



142 



129 



116 



103 



81 



66 



55 



41 



23 



13 



8,301 



7,367 

 7,237 

 6,808 

 6,604 

 6,567 

 6,348 

 5,693 

 5,494 

 5,026 

 4,848 

 4, 521 

 4,356 

 4,129 



Feet. 



93.4 

 10.8 

 71.5 

 15.7 

 2.8 

 16.8 

 29.8 

 13.3 

 42.5 

 12.7 

 18.2 

 16.5 

 17.5 



51 G S 



