800 



GEOLOGICAL SUEVEY OF THE TERRITORIES. 



Heights of pealcs and divides — Contiuued. 



Elevation. 



Peak in second canon of the Yellowstone 9, 478 



Divide between the Yellowstone and Gallatin, on Bannock trail 9, 317 



Eaynold's Pass 6,911 



Red Rock Pass 7,271 



TygheePass 7,063 



Flathead Pass 6,769 



Divide between Jefferson and Madison, on road from Virginia City to the 



Madiron, at English George's Ranch 7, 164 



Union Pass, Bridger Range ^ *7, 283 



Divide between Yellowstone and Gallatin Rivers, on road from Fort Ellis 



to Butler's Ranch *6, 037 



Divide between the Yellowstone and Gallatin, on the road from Bozeman to 



the Crow agency *5, 721 



Divide on Mount Washburn, where the trail crosses *9, 155 



Divide between Clark's Fork and the Rosebud *8, 736 



Divide between the Y''ellowstone and Madison, on the trail from the Mud 



Geysers to the Lower Geyser Basin *8, 164 



Divide between the head of Bridger Creek and that of the west fork of 



Shield's River *6, 046 



Yellowstone Lake , 7,788 



Henry's Lake 6,443 



Mystic Lake (j,468 



* Measured by aueroid. 



Timber-line. 



On Electric Peak 



On Mount Washburn 



On mountains in Middle Canon of Madison 



On Ward's Peak 



On Mount Blackmore 



On Mount Delano 



On Bridger's Peak 



Latitude. 



44 



58 



44 



48 



45 







45 



30 



45 



26 



45 



32 



45 



47 



Elevation. 



*9, 442 

 ^9, 900 

 *9, 368 

 *9, 156 

 *9, 550 

 *8, 784 

 *9, 002 



* Measured by aneroid. 



Elevation of White Mountain Hot Springs, from 6,278 to 7,035 feet; 

 boiling-point, 200O.9 to 1990.5. 



Elevation of Mud Geysers, 7,756 to 7,800 feet ; boiling-point, 1980.5. 



Elevation of springs at Crater Hills, 7,828 to 7,979 feet ; boiling-point, 

 1980.2. 



The Geyser Basins are very flat; the range of elevation in the area 

 occupied b}^ the springs and geysers not exceeding 100 feet. in each 

 basin. 



Elevation of the Lower Geyser Basin, 7,250 to 7,350 feet ; boiling- 

 point, 1990.3. 



Elevation of the Upper Geyser Basin, 7,300 to 7,400 feet; boiling- 

 point, 199°. 



Snlphur springs on the divide between the Yellowstone and Gallatin, 

 on the trail from the Mud Geysers to the Lower Geyser Basin, elevation, 

 8,246 feet. Boiling-point at Yellowstone Lake, 198°.l. 



