Political divisions (FIPS codes)

Humboldt(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Crannell(quadrangle 1:24,000 scale)

Orick(quadrangle 1:100,000 scale)

Eureka(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mad-Redwood(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)