Flat
Yukon-Koyukuk (CA) · USGS GNIS name record 1402165
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USGS GNIS Populated Place names in all 50 states and DC. Features in the historical extract or explicitly named historical are excluded; duplicate decision records with identical identities and coordinates are collapsed. GNIS points identify names, not legal or neighborhood boundaries, current occupancy, school attendance or a statistical population. Nearby Census places and tracts remain separately named geographies. Name completeness and currency vary; this is not a claim to include every locally used neighborhood name.
Original USGS record for Flat ↗Dataset snapshot 2026-09-02 · Source record edited 06/07/2022 · NAD83 · approximate source location
USGS description & history
population 27, on Otter Creek, 7 mi. E of junction with Iditarod River, 59 mi. NE of Holy Cross, Kibuck-Kuskokwim Mts.
Mining camp reported in 1910 by A. G. Maddren U.S. Geological Survey (USGS), at which time Flat was the leading settlement on Otter Creek with a population of about 400. The post office has been in operation since 1912. Its population was 158 in 1920 and 124 in 1930.
Source notes may describe earlier conditions.Source files & checksums
SHA-256 20c96936a3ba430b345eed1c7395b6aab52875aac8e1e2905fab37b388cab381
SHA-256 45ad8d56b3bb4990ad8105cdda15ee7d2f07afd6941afe75b783f29b02723697
SHA-256 919fac887628b8547ec1b24fae319522a9481a56909c3914d1e0a2b56783147c