Thompson Creek 



Thompson Creek is a perennial 3^^ order Class 1 stream that is a tributary 

 to the South Fork of Fish Creek. The Thompson Creek watershed drains 

 approximately 5,226 acres. The stream is 5.7 miles long. Elevations range 

 from 3,240 to 5,550 feet. The precipitation ranges from 25-50 inches, 

 mostly occurring as snow. Steep gradient Rosgen A type channels form 

 the headwaters of the Thompson Creek drainage that includes incised 

 ephemeral and perennial stream reaches, some of which are discontinuous. 

 The middle portion of the Thompson Creek drainage are relatively stable 

 2-4% gradient Rosgen B stream channel types with predominately gravel, 

 cobble, and sand class substrate. The DNRC ownership is about 240 acres 

 in the lower portion of the watershed and has stable stream channels. The 

 majority of this watershed is Lolo National Forest and Plum Creek 

 Timberlands' ownership. 



Camelia Gulch 



Camelia Gulch is a 1^' order Class 2 stream that is a tributary to the South 

 Fork of Fish Creek. Camelia Gulch is not a fishery. The elevation ranges 

 from 3,190 to 5,600 feet. The precipitation ranges form 25-40 inches, 

 mostly occuring as snow. The Camelia Gulch stream is a steep gradient 

 Rosgen A type channel with a relatively stable rocky channel and 

 segments having intermittent flow. The DNRC owns is about 280 acres in 

 the mid portion of this small watershed. The majority of the watershed is 

 Plum Creek Timberlands' ownership. There is a mosaic of bum severity in 

 this area with small areas of high intensity bum. 



An unnamed tributary to South Fork of Fish Creek flows through the W Vz 

 of DNRC Section 12, T 13N, R25W. The unnamed tributary is a 2"" order. 

 Class 1 stream and a possible fishery in the lower reaches above the 

 confluence with the South Fork of Fish Creek. The elevation ranges from 

 3,220 feet at Fish Creek confluence to about 5,040 feet. The precipitation 

 ranges from 25-40 inches, which is mostly snow. The DNRC ownership 

 is about 320 total acres, with about 200 acres in the lower portion of this 

 small watershed and the remaining 120 acres are located on an east facing 

 slope about 1/8 mile from the South Fork of Fish Creek. The majority of 

 the watershed is Lolo National Forest and Plum Creek Timberlands' 

 ownership. 



The State owns about 180 acres in Section 18, T14N, R25W on the valley 

 floor with the South Fork of Fish Creek flowing through the middle of the 

 parcel. The parcel includes toeslopes on the east flank of the alluvial 

 bottom adjacent to Fish Creek. The elevation ranges from 3,240 to 4,200 

 feet in this section. 



Fish Creek Salvage Environmental Assessment 3-3 



