Number Page 



55 Prospect Creek study site - shallow pond habitat 

 supporting Arctic grayling, Chinook salmon juven- 

 iles, round whitefish, northern pike, burbot, 



and slimy sculpin, 12 August 1978 188 



56 West Fork Tolovana River study site - deep pond 

 with extensive shallows providing northern pike 



and Arctic grayling habitat, 29 July 1978 188 



57 Tanana Ri ver-Upstream upper pit showing exten- 

 sive vegetation beds, 18 August 1978. Note 

 difference in the extent of vegetative develop- 

 ment in this 13-year old pit as compared to the 



2 and 3-year old pits in Figures 55 and 56 190 



58 Potential overwintering area at Willow Creek. 

 This spring-fed tributary, open throughout the 

 winter, had previously entered Penny River 



at a deep pool 192 



59 Creation of a potential overwintering area at 



West Fork Tolovana River downstream from pit 196 



60 Densities of selected aquatic macroi nver tebrates 

 at Aufeis Creek study areas during 1977 sampling 



trips 206 



61 Penny River undisturbed floodplain showing typical 

 North Slope and Seward Peninsula floodplain charac- 

 teristics of sinuous channel bordered with dense 

 shrub thickets with incised outside meander bank, 



and narrow gravel point bar on inside meander .... 224 



62 West Fork Tolovana River showing typical South- 

 ern and Northern Interior medium river flood- 

 plain characteristics with shrub thickets and 

 white spruce-paper birch stands along the 



riparian zone 224 



63 West Fork Tolovana River showing permanently 

 flooded pit excavated adjacent to the active 



floodplain with a downstream connection 226 



64 A view of Oregon Creek looking downstream 

 through the mined area showing site conditions 



that remain 13 years after gravel removal 229 



65 Penny River mined area looking upstream. Note 

 the flooded conditions within the disturbed 

 area, and the overburden piles in the center 



of the site 230 



XVI 



