US-4074
Ervin Ridge Airport
VFR
47° 36′ 31″ N 110° 54′ 23″ E
/
3’340 ft
(1’018 m MSL)
navigation
259°
navigation
312°
navigation
318°
navigation
327°
navigation
122°
navigation
319°
navigation
189°
navigation
290°
47° 30′ 16″ N 111° 11′ 13″ E
/
3’472 ft
(1’058 m MSL)
navigation
256°
navigation
253°
navigation
162°
48° 30′ 38″ N 110° 59′ 27″ E
/
3’160 ft
(963 m MSL)
navigation
299°
navigation
16°
navigation
260°
navigation
255°
US-1295
Keystone XL Whitewater Heliport
48° 45′ 27″ N 107° 31′ 27″ E
/
2’774 ft
(845 m MSL)
navigation
49°
46° 26′ 54″ N 109° 51′ 10″ E
/
4’311 ft
(1’314 m MSL)
navigation
198°
47° 29′ 30″ N 111° 15′ 35″ E
/
3’459 ft
(1’054 m MSL)
navigation
256°
47° 29′ 16″ N 111° 17′ 48″ E
/
3’418 ft
(1’042 m MSL)
navigation
256°
navigation
37°
navigation
19°