flows SW from Rex Glacier joining White Creek to form Chititu Creek, 15 mi. SE of McCarthy, St. Elias Mts.
Local name reported in 1908 by D. C. Witherspoon, U.S. Geological Survey (USGS), (Moffit and Capps, 1911, pl. 2). Reported as "Rex Gulch" by G. M. Esterly, of Valdez, in 1902 (Mendenhall, 1905, fig. 11).
Binocular Prospect, Green Butte Mine, Nelson Prospect, Nikolai Mine,
Mountains:Andrus Peak, Chitistone Mountain, Green Butte, Mount Holmes, Joshua Green Peak, Nikolai Butte, Sourdough Peak, Williams Peak,
Mountain Passes:Ridges:Lime Butte, MacColl Ridge, Sourdough Hill,
Rivers:Chitistone River, Kiagna River,
Streams:Boulder Creek, Chititu Creek, Copper Creek, Dan Creek, Eagle Creek, East Fork McCarthy Creek, Glacier Creek, Gold Run, Granitic Creek, Grotto Creek, Hunter Creek, Lake Creek, Lime Springs Creek, May Creek, Nikolai Creek, Rex Creek, Sheep Creek, Texas Creek, White Creek, Young Creek,
Valleys:Blygh Gulch, Boulder Gulch, Boulder Gulch, Calamity Gulch, Champagne Gulch, Crumb Gulch, Devils Gulch, Dry Gulch, Grubstake Gulch, Hells Kitchen Gulch, Idaho Gulch, Jolly Gulch, Kaufman Gulch, Kermon Gulch, Nikolai Gulch, Pack Gulch, Pollard Gulch, Radar Gulch, Sawmill Gulch, Seattle Gulch, Sheep Gulch, Sunday Gulch, Swede Gulch, Virginia Gulch,
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