Spence Basin Sink

Curtis Ridge, UT

Detailed map of terrain, trails and roads

USGS topo, 2023

Curtis Ridge

Forest Service topo with road numbers

Forest Service FSTopo 7.5-minute quad

Logan 30x60 Land Ownership (BLM Surface Management)

Land Ownership Maps from BLM Data · Utah

Logan 30x60 Wyoming Walk-In and Hunter Management Areas

Wyoming Walk-In and Hunter Management Area Maps (from WGFD open data) · Wyoming

Uinta-Wasatch-Cache National Forest

Cache — Forest Service forest map

Salt Lake Field Office Target Shooting

BLM Utah

Wyoming Land Status Map with field office and county boundaries

BLM Wyoming (2020)

IFR Enroute Low Altitude Chart L-09 (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-03 (U.S.)

FAA, 2026-10-29

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

FAA, 2026-10-29