This alluvial fan is the result of sediment deposition resulting from the transition between the Grande Ronde's relatively steep and narrow canyon located to the west and upstream of the study reach and the low gradient valley reach to the east and downstream of the study reach.
(This alluvial fan; is; the result of sediment deposition) (sediment deposition; resulting; from the transition between the Grande Ronde's relatively steep and narrow canyon) (the Grande Ronde's relatively steep and narrow canyon; located; L:to the west and upstream of the study reach and the low gradient valley)
This alluvial fan sediment deposition the Grande Ronde's relatively steep and narrow canyon
is resulting located
the result of sediment deposition
from the transition between the Grande Ronde's relatively steep and narrow canyon
L:to the west and upstream of the study reach and the low gradient valley