10 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
A, — Columbia River Basin — Continued. 
I. Clarke Fork — continued: 
17. Rock Creek. 
18. Tincup Joe Creek. 
19. Cottonwood Creek. 
20. Dempsey Creek ; (a) Dempsey Lakes. 
21. Race-Track Creek. 
22. Peterson Creek. 
23. Silver Bow River. 
24. Browns Gulcli Creek. 
II. Lewis Fork, or Snake Fiver : 
1. Shoshone Lake ; (a) Heron Creek. 
2. Lewis River. 
3. Lewis Lake. 
4. Aster Creek. 
5. Crawfish Creek. 
6. Polecat Creek. 
7. Jackson Lake. 
8. Pacific Creek. 
9. Inness Lake. 
B. — Missouri River Basin. 
I. Upper Yellowstone River: 
1. Atlantic Creek; (at Jay Creek; (b) Sene- 
cio Creek. 
2. Bridger Lake. 
3. Thoroughfare Creek. 
4. Escarpment Creek. 
5. Cliff Creek. 
6. Mountain Creek. 
7. Trapper Creek. 
II. Yellowstone Lake: 
1. Beaverdam Creek. 
2. Columbine Creek. 
3. Meadow Creek. 
4. Pelican Creek. 
III. Lower Yellowstone Fiver: 
1. Blacktail Deer Creek. 
2. East Fork of Gardiner River ; (a.) Lava 
Creek. 
3. West Fork of Gardiner River; (a) Glen 
Creek; (b) Indian Creek; (cl Beaver 
Lake; (d) Twin Lakes. 
III. Lower Yellowstone Fiver — continued: 
4. Reese Creek. 
5. Botteler Springs. 
IV. Madison River: 
1. Horsethief Springs. 
2. Gibbon River; (a) Canon Creek. 
3. Firehole River; (a) Nez Perce Creek. 
V. Gallatin Fiver: 
1. Bozeman Creek. 
2. Bridger Creek; (a) Davies Springs. 
VI. Jefferson Fiver: 
1. Red Rock River. 
2. Beaverhead River. 
3. Bighole River. 
VII. Prickly Pear Creek: 
1. McClellan Creek. 
2. Child’s bedrock drain. 
COLUMBIA RIVER BASIN. 
STREAMS TRIBUTARY TO CLARKE FORK OF THE COLUMBIA. 
Clarke Fork of the Columbia . — This name is of somewhat varied application. It 
originally meant all of that river having its sources in the numerous small streams 
coming down from the mountains east and west and uniting into one stream of 
considerable size in Deer Lodge Yalley, and which runs from there north, west, and 
then northwest, until just beyond the boundary of the United States in longitude 117° 30' 
west, where it joins the Columbia at Fort Sheperd. Starting as a small stream on the 
divide near Silver Bow, flowing northward through the beautiful and fertile valley of 
Deer Lodge, and receiving on its way numerous smaller streams from the mountains 
between which it flows, it receives the Little Blackfoot River at Garrison, where it 
turns westward and continues in that general direction to the city of Missoula, 7 miles 
above which it receives the Big Blackfoot, a large tributary from the north. 
All of that portion above the mouth of the Little Blackfoot River is now generally 
known as the Deer Lodge River. At the mouth of the Little Blackfoot it takes the 
