Horgan Reservoir

Reservoir in Valley County, Montana · on the USGS Dubbe Reservoir quadrangle

48.21090, -106.00645

Maps that show Horgan Reservoir

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Dubbe Reservoir, MT — USGS 7.5-minute topo (2024)

Dubbe Reservoir, MT

USGS topo, 2024

Frazer, MT — USGS historical 15-minute topo (1915)

Frazer, MT

USGS historical 15-minute topo (1915)

IFR Enroute High Altitude Chart H-02 (U.S.) — FAA, 2026-10-29

IFR Enroute High Altitude Chart H-02 (U.S.)

FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-13 (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-01 (U.S.) — FAA, 2026-10-29

IFR Enroute High Altitude Chart H-01 (U.S.)

FAA, 2026-10-29

Nearby

Structure Number 143 Reservoir

Name, class, county and location: USGS Geographic Names Information System (public domain).