Yellowstone Caldera
Crater in Park County, Wyoming · on the USGS Frank Island quadrangle
44.44530, -110.32525
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Frank Island, WY
USGS topo, 2021
Frank Island, WY
USGS historical 15-minute topo (1959)
IFR Enroute Low Altitude Chart L-11 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-13 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-03 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-01 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).