GEOLOGICAL SURVEY OF THE TERRITORIES. 805 



Bouts from Boseman to Yellowstone Lake, &c. — Continued. 



Miles. Elevation. 



Crossinor of Tower Creek 



Level to 



Smooth slope to 



Grade nearly uniform to — 



Divide on spur from Mount Waslibarn 



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 



6,500 



87.9 



6,520 



89.2 



7, 280 



90.2 



7,200 



94.3 



8,800 



95.2 



8,600 



95.3 



8,700 



101.2 



8,162 



106.7 



7,979 



107.6 



7,920 



107.8 



7,600 



109.4 



7,700 



109.7 



7,940 



110.3 



7,920 



110.9 



7, .580 



112.9 



7,620 



113.4 



7,900 



113.7 



7,750 



116.7 



7.712 



123.9 



7,800 



Botite from Gallatin City to the Geyser Basins, thence across to the Mud 

 Geysers, on the Yellowstone. 



Eleva- 

 tion. 



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, on Cold Spring Creek 



Grade tolerably uniform to — 



Divide between Cold Spring and Hot Spring Creeks. 



4,132 



Grade smooth to 



Grade tolerably smooth to — 



Divide between Hot Spring and Meadow Creeks . 



Camp 24, on Meadow Creek 



Grade perfectly smooth to — 



Camp 22, opposite Virginia City, on Madison. 

 Grade uniform to — 



Camp 21, at mo^ith of Indian Creek 



Grade uniform to 



Grade tolerably uniform to — 



Camp 20, on 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, in middle of canon ..„ 



16.5 

 20.4 



4,360 



4,800 



27.7 



4,789 



29.8 



5,400 



36.1 



5,050 



37.8 

 38.6 

 39.3 

 42.5 



5,640 

 5, 520 

 4, 98G 

 4, 932 



01.3 



5,214 



71.3 



80.5 

 80.6 



5,524 

 5,700 

 5,900 



82.9 

 88.0 

 88.5 

 88.9 

 93.9 



5,753 

 6, 300 

 6,200 

 6,500 

 6,100 



98.2 



6,309 



04.9 



6,570 



