Number Page 



66 Close-up view of an overburden pile in the Penny 

 River mined area. Note the development of herbace- 

 ous and woody vegetation during the II years 



fol lowing gravel removal 234 



67 Washington Creek mined area showing vegetative 

 recovery only present on the overburden pile 



13 years after gravel removal 234 



68 Woody revegetation occurring through develop- 

 ment of adventitious stems 235 



69 Distribution of woody slash debris and other 

 organics over the ground on the edge of the 



gravel removal area at Aufeis Creek 236 



70 View of the upper pit at Tanana Ri ver-Upstream 

 showing diversity of shoreline configuration 

 and development of woody and herbaceous vegeta- 

 tion 13 years after gravel removal 237 



71 View of the Ivishak River floodplain looking 

 downstream showing typical braided channel 

 characteristics with extensive gravel bars and 



isolated, vegetated islands 239 



72 View of both undisturbed (background) and mined 

 (foreground) reaches of the Shaviovik River. 

 Note that gravel removal maintained natural 

 point bar contours and shapes and did not 



disturb riparian vegetative zones 240 



73 Compacted surface gravels in an access road 



leading to the Dietrich River-Downstream site .... 244 



74 Inorganic overburden piled on the edge of the 

 Oregon Creek site which supported no vegetation 



13 years after gravel removal 244 



75 Close-up of dense and diverse vegetative devel- 

 opment in an area of surface broadcast of woody 

 slash and organics. Note the willow adventi- 

 tious stem development 246 



76 Distant view of a large silt depositional 



area at the Sagavan irktok River study site 247 



77 A silt depositional area of the Kavik River 

 supporting a well-developed pioneer vegetative 

 community 247 



XVI 



