Colowyo Mine


TriState/Western Fuels-Colorado LLC

Rail Loading Point

Axial, Colorado (Moffat County)

Mine Type

Surface--dragline and truck/shovel operation

Recoverable Reserves

22 million tons

Annual Production

2007--5.6 million tons
2008--4.9 million tons

Current Annual Production Capacity

Permitted for 9.0 million tons/year

Rail Loading Point Storage Capacity

300,000 tons. Preload 60,000 tons in overtrack storage pile.

Loadout Description and/or Configuration

Locomotive pulls train under loading chutes. Train loads in tension.

Weighing System

One tare weight and one gross weight coupled weigh-in-motion track scales.

Loading Rate per Hour

7,000 tons

Load Track Configuration and Capacity

Single track loop profiled for pull through loading mode. Can handle 115 cars each side of loadout.

Coal Specifications

10,250 Btu/lb., 0.37% Sulphur

Proximate analysis (%) 
Typical as received:
Moisture 17.4
Ash 6.8
Volatile Matter 32.3
Fixed Carbon 43.45
fusion temperature of ash (°F) 
Initial Deformation 2,263
Fluid 2,466
other characteristics 
Sodium as % of Ash 0.8%
Size 2" x 0"