Political divisions (FIPS codes)

USGS map quadrangles

Sumdum C-5(1:63,360 Alaska quadrangle)

Sumdum(1:250,000 Alaska quadrangle)

Hydrologic units (watersheds)

Mainland(hydrologic unit)

190102(hydrologic accounting unit)

Arctic Slope(hydrologic subregion)

Alaska(hydrologic region)

Federal lands