flows NE to join Schlitz Creek, forms Serpentine River, 13 mi. NW of Midnight Mtn. and 54 mi. NW of Imuruk Lake, on Seward Peninsula, Kotzebue-Kobuk Low. 14 miles long.
Prospectors' name reported in 1901 by T. G. Gerdine (in Collier, 1902, pl. 12), U.S. Geological Survey (USGS).
Bella Creek, Brandy Creek, Bryan Creek, Columbia Creek, Dick Creek, Hot Springs Creek, Irene Creek, Little Macklin Creek, Lone Butte Creek, Macklin Creek, Mastodon Creek, McKinley Creek, Mukluk Creek, Norberg Creek, Peter Creek, Preston Creek, Reindeer Creek, Right Fork Macklin Creek, Rock Creek, Schlitz Creek, Star Creek, Trinity Creek, Willow Creek,
Cities: