Happy Coulee Reservoir
Reservoir in Powder River County, Montana · on the USGS Otter quadrangle
45.16069, -106.13436
Maps that show Happy Coulee Reservoir
Get them in the map app
Otter, MT
Detailed map of terrain, trails and roads
USGS topo, 2024
Reanus Cone
Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad
Otter
Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad
Birney 30x60 Land Ownership (BLM Surface Management)
Land Ownership Maps from BLM Data · Montana
Custer Gallatin National Forest- Custer Central
Forest Service forest map
Wyoming Land Status Map with field office and county boundaries
BLM Wyoming (2020)
IFR Enroute Low Altitude Chart L-12 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-11 (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 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).