extends NW-SE at head of Little Nelchina River, 15 mi. NW of Tahneta Pass, Talkeetna Mts.
Local descriptive name reported in 1931 by U.S. Geological Survey (USGS).
Gunsight Mountain, Horn Mountain, Syncline Mountain,
Mountain Passes:Horsepasture Pass, Limestone Gap,
Mountain Ranges:Ridges:Fortress Ridge, Wall of China,
Streams:Alfred Creek, Ammonite Creek, Bench Creek, Billy Creek, Bitter Creek, Bubb Creek, Cadoceras Creek, Cardiceras Creek, Cardioceras Creek, Chitna Creek, Conglomerate Creek, Divide Creek, Flume Creek, Greta Creek, Gunsight Creek, Horsepasture Creek, Inoceramus Creek, McDougall Creek, Mouse Creek, Papoose Creek, Pass Creek, Sawmill Creek, Sawmill Creek, Sheep Creek, Shovel Creek, Sladen Creek, Squaw Creek, Wood Creek,
Valleys: