GEOLOGICAL SURVEY OF THE TERRITORIES. 805 



Route from Boseman to Yellowstone LaJce, &c. — Continued. 



Crossina; of Tower Creek 



Level to 



Smooth slope to 



Grade nearly uniform to — 



Divide on spur from Mount VVaslibarn 



Camp 10 



Grade tolerably uniform to — 



Camp 11, on Cascade Creek, near the falls 



Crossing of Cascade Creek 



Grade nearly uniform to 



Grade nearly uniform to 



Camp 12, at Mud Geysers 



Grade tolerably uniform to — 



Yellowstone Lake, at head of river 



87.6 

 87.9 

 89.2 

 90.2 



94.3 



95. 2 



95.3 



101.2 



10G.7 

 107.6 

 107.8 

 109.4 

 109.7 

 110.3 

 110.9 

 112.9 

 113.4 

 113.7 

 116.7 



123.9 



Elevation. 



6,500 

 6, 520 



7,280 

 7, 200 



8, 800 

 8,600 

 8,700 

 8, 162 



7,979 

 7, 920 

 7,600 

 7,700 

 7, 940 

 7, 920 

 7,580 

 7,630 

 7,900 

 7,750 

 7,712 



7,800 



Eoute from Gallatin City to tJie Geyser Basins, thence across to the, Mud 



Geysers, on the Yellowstone. 



Gallatin City, (Three Forks of the Missouri). ., 



Grade perfectly uniform in Madison River bottom to — 



Camp 26, on Madison 



Grade perfectly uniform in river bottom to 



Grade somewhat irregular to — 



Camp 25, ou Cold Spring Creek 



Grade tolerably uniform to — 



Divide between Cold Spring and Hot Spring Creeks. 



Grade smooth to 



Grade tolerably smooth to — 



Divide between Hot Spring and Meadow Creeks . 



Camp 24, on Meadow Creek 



Grade pei'fectly smooth to — 



Camp 22, o^iposite Virginia City, ou Madison. 

 Grade uniform to — 



Camp 21, at mouth of Indian Creek 



Grade uniform to 



Grade tolerably uniform to — 

 Camp 20, ou Madison . . . . 

 Grade good to 



Tolerably uniform grade to 



Grade perfectly uniform to — 



Camp 19, at foot of Middle Canon, near Madison Pass . 

 Grade rather irregular to — 



Camp 18, iu middle of canon 



