flows E to Yukon River, W of Blackburn I. and 50 mi. SE of Unalakleet, Nulato Hills. 18 miles long.
Named after "Val" Blackburn a trapper; reported about 1916.
Alice Island, Blackburn Island, Eagle Island, Hat Island,
Rivers:Yankee Slough, Yokontoh Slough,
Settlements:Streams:Streams:Blackburn Creek, Dugan Creek, Muller Creek, Papa Willie Creek, Saint Joe Creek, Simon Creek, Woods Creek,