Political divisions (FIPS codes)

Iron(county)

Missouri(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Brunot(quadrangle 1:24,000 scale)

Piedmont(quadrangle 1:100,000 scale)

Rolla(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper St. Francis(hydrologic unit)

St. Francis(hydrologic accounting unit)

Lower Mississippi - St. Francis(hydrologic subregion)

Lower Mississippi(hydrologic region)