flows NW to Ruby Creek which flows to Casadepaga River, 17 mi. NE of Solomon, Seward Peninsula High.
Prospectors' name reported in 1905 by T. G. Gerdine, U.S. Geological Survey (USGS). The variant name "Iowa" was reported in 1907 by U.S. Geological Survey (USGS) geologists (P. S. Smith, 1910, pl. 4).
Mount Dixon, Uncle Sam Mountain,
Rivers:Casadepaga River, East Fork Solomon River, South Fork,
Streams:Adams Creek, Alice Creek, Allgold Creek, Alma Creek, American Creek, Antler Creek, Auburn Creek, August Creek, Ball Creek, Banner Creek, Battle Creek, Bear Creek, Beaton Creek, Big Four Creek, Big Hurrah Creek, Birch Creek, Blind Creek, Boise Creek, Bonanza Creek, Bonita Creek, Boston Creek, Boulder Creek, Buster Creek, Butte Creek, Cadillac Creek, Cahill Creek, Canyon Creek, Castle Creek, Cheyenne Creek, Chicken Creek, Coal Creek, Coarse Gold Creek, Connecticut Creek, Conway Creek, Crater Creek, Cripple Creek, Curtis Creek, Daisy Creek, Davison Creek, Dawson Creek, Discovery Creek, Dixon Creek, Dog Creek, Doverspike Creek, Dry Creek, Emerald Creek, Etta Creek, Eureka Creek, Eureka Creek, Fish Creek, Fool Creek, Fox Creek, French Creek, Game Creek, Gander Creek, George Creek, Gold Run Creek, Goldbottom Creek, Goldmoon Creek, Goodenough Creek, Goose Creek, Green Creek, Grouse Creek, Happy Valley Creek, Harlem Creek, Helena Creek, Howard Creek, Huff Creek, Iron Creek, Ivanhoe Creek, Jerome Creek, Johns Creek, Johnson Creek, Johnson Creek, Jones Creek, Kasson Creek, Lightning Creek, Lime Creek, Linda Vista Creek, Lion Creek, Little Dixie Creek, Little Hurrah Creek, Lodestone Creek, Lone Creek, Lost Creek, Lost Creek, Lost Creek, Lower Willow Creek, Manila Creek, Matson Creek, McBann Creek, Meddler Creek, Military Creek, Minnesota Creek, Mitchell Creek, Montana Creek, Monument Creek, Moonlight Creek, Moonshine Creek, Moran Creek, Mud Creek, Myrtle Creek, Mystery Creek, No Mans Creek, Nobhill Creek, Nugget Creek, Offield Creek, Oro Fino Creek, Orphan Creek, Penelope Creek, Penny Creek, Powell Creek, Problem Creek, Ptarmigan Creek, Puckmummie Creek, Puzzle Creek, Quartz Creek, Quartz Creek, Rabbit Creek, Remington Creek, Ridgeway Creek, Rock Creek, Rock Creek, Rock Creek, Rocky Creek, Rover Creek, Ruby Creek, Santa Cruz Creek, Sapphire Creek, Shea Creek, Shovel Creek, Shovel Creek, South Fork Butte Creek, Spruce Creek, Squirrel Creek, Steward Creek, Sunshine Creek, Sunshine Creek, Sweetbrier Creek, Texas Creek, Thrope Creek, Topnotch Creek, Trap Creek, Tributary Creek, Trilby Creek, Uncle Sam Creek, Ventura Creek, Victoria Creek, Vinegar Creek, Virginia Creek, Watson Creek, West Creek, Willow Creek, Wilson Creek, Winston Creek, Woods Willow Creek,
Valleys:Ben Gulch, Davison Gulch, Empire Gulch, Homestake Gulch, Ida Gulch, Jack Wade Gulch, Willow Gulch,
Cities: