Trends SE to Fossil Creek, 55 km (34 mi.) NE of Livengood, Yukon-Tanana Highlands. 4 miles long.
So named "because the ravine has many fossils of the mollusklike shellfish (brachipod) that became nearly extinct toward the end of the Permian geologic period 200 million years ago." The name appears on recent U.S. Geological Survey (USGS) maps.
Big Brook Creek, Brigham Creek, Bull Creek, Cripple Creek, Lost Horizon Creek, O-Brien Creek, Roy Creek, Trail Creek,
Routes:Valleys: