Southern Powder River Basin Mines (SPRB)

North Antelope/Rochelle Complex

Owner

Mine Contact

Greg Dundas (307) 464-4701

Rail Loading Point

NACCO Junction, Wyoming

Background on Mine

The North Antelope loadout began commercial operations in 1983; the Rochelle loadout began commercial operations in 1986. The mine uses a combination of trucks and shovels and a dragline for overburden removal. Coal is crushed to 2"x0" and sold on a raw basis. Coal seam thickness is 65 feet.

Mine Type

Surface

Recoverable Reserves

1,375 million tons

Current Annual Production Capacity

70 million tons

Rail Loading Point Storage Capacity

North Antelope Loadout: 45,000 tons
Rochelle Loadout: 85,000 tons

Loadout Description and/or Configuration

North Antelope Loadout: Loop track with three 15,000-ton silos over track.
Rochelle Loadout: Loop track with two 15,000-ton silos over the track, plus a 55,000-ton slot storage facility.

Weighing System

Computerized batch weigh bin system

Loading Rate per Hour

6,600 tons

Load Track Configuration and Capacity

Loop track with twelve 12,000-ton unit train capacity

Maximum Cars Per Train

115+ cars

Coal Specifications

Sub-bituminous, 8,800 Btu/lb., 0.21 - 0.24% Sulphur