mile 202.3 on The Alaska RR. 15 mi. N of Willow and 52 mi. N of Anchorage, Cook Inlet Low.
The Caswell post office was established in 1929; discontinued in 1931.
Benka Lake, Caswell Lake, Caswell Number 3 Lake, East Sunshine Lake, Emil Lake, Lake Five, Lake Four, Halfway Lake, Heritage Lake, Kashwitna Lake, Lake Long, Long Lake, Montana Lake, North Friend Lake, Lake One, Section House Lake, Lake Six, South Friend Lake, Spruce Lake, Sunset Lake, Sunshine Lakes, Lake Two, Woman Lake,
196 Mile Creek, 197 1/2 Mile Creek, Answer Creek, Birch Creek Slough, Buddy Creek, Caswell Creek, Goose Creek, Iron Creek, Little Montana Creek, Little Willow Creek, Middle Fork Montana Creek, Montana Creek, North Fork Montana Creek, Question Creek, Rogers Creek, Sheep Creek, South Fork Montana Creek, Sunshine Creek,