Information provided by Jack Wiles, Anchorage AK (907-762-2020)
Embick: " _very_ steep, _very_ fast, and _very_ continuous." He says that it's been run exactly once, on July 30, 1983, by himself and Steve Jordan.
They didn't run just this river; they got provisions at the confluence with the
Copper and floated down to Chitina, and Embick recommends that plan .