800 



GEOLOGICAL SURVEY OF THE TERRITORIES. 



Heights of i)eahs and diridea — Coiitiimed, 



Elevation. 



Peak iu second cauon of the Yellowstone 9, 478 



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



Rayuold's Pass 6,911 



Reil Rock Pass 7,271 



Tygheo Pass 7, 0(33 



Flathead Pass G,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 *(3, 037 



Divide; between the Y''ellowstone and Gallatin, on the road from Bozeman to 



the Crow agency *5, 721 



Divide on Monnt Washbnrn, where the trail crosses *9, 155 



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



Divide between the Y'ellowstoue 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 



ShickVs River *6,046 



Y'ellowstone Lake , 7, 788 



Henry's Lake 6, 443 



Mystic Lake 6, 468 



J * Measured by aiieroiil. 



Timher-line. 



On Electric Peak 



On Mount AVashburn 



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 

 *^\ 002 



* Measured by auoroid. 



Elevation of AVliite Mountain Hot Springs, from G,27S to 7,035 feet; 

 boiling-point, 200O.9 to IGO^.o. 



Elevation of Mud Geysers, 7,7;")6 to 7,800 feet ; boiling-point, lOS^.S. 



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 by 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, 1990. 



Sulphur springs on the divide between the Yellowstone and Gallatin, 

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

 8,240 feet. Boiling-point at Yellowstone Lake, 198^.1. 



