65 ° 33' 11.999" N,
145 ° 9' 15.998" W
Yukon-Koyukuk (CA)
1542 ft (470 m)
flows NE joins Porcupine Creek to form Crooked Creek, 37 mi. SW of Circle, Yukon-Tanana High.
HistoryNamed by prospectors; reported in 1896 by U.S. Geological Survey (USGS) (Spurr, 1898, pl. 1). So named because fossil remains of mammoths, mastodons and several other prehistoric animals have been found near the stream.
Bear Creek, Bedrock Creek, Bender Pup, Bonanza Creek, Cache Creek, Deception Pup, Fifteen Pup, Fortythree Pup, Harrison Fork, Independence Creek, Little Albert Creek, Louie Pup, Maiden Pup, Mammoth Creek, Mastodon Creek, Miller Creek, North Fork Harrison Creek, Porcupine Creek, Sawpit Creek, Sixteen Pup, Slate Creek, South Fork Harrison Creek, Stack Pup, Twenty-five Pup, Wedgewood Creek, Westover Creek,
Valleys:Baker Gulch, Discovery Gulch, Fortytwo Gulch, Granite Gulch, Greenhorn Gulch, Ptarmigan Gulch, Tinhorn Gulch,
Cities: