Coal: Data Sheet

Producer:	Usibelli Coal Mine, Inc.
Location:	Healy, Alaska USA
Railroad:	Alaska Railroad, state owned and operated.
Shipping Port:	Seward Coal Terminal, owned by the Alaska Railroad Corporation
Coal Property:	Approximately 35,100 acres (14,200 hectares) under coal lease primarily from State of Alaska.
Reserves:	Total proven surface reserves approximately 450 million tons.
Coal Rank:	Subbituminous C
Coal Seams:	Mining is primarily from seams 3, 4, and 6 of the Suntrana Formation. These seams average approximately 18' (5.5m), 30' (9.1m), and 24' (7.3m) respectively.
Preparation:	Raw coal is crushed to 2" x 0" (50 mm x 0 mm) but no washing is performed. Screening circuit can reduce minus 1/4" (6 mm) to less than 10% with top size to 6" (150 mm).
Production:	The current production level is approximately 1.2 to 2 million tons (1 to 1.8 million Metric tons) per year.

Proximate analysis:
	Typical Gross As Received:	GAR Range
Moisture	29 %	27 - 32%
Ash	7 %	4 - 12%
Volatile matter	36 %	32 - 39%
Fixed carbon	26.5 %	25 - 33%
Sulfur	0.20 %	0.08 - 0.28%
Heat Value (Btu/lb)	7,560 (4,200 kcal/kg)	7,200 - 8,000 (4000-4300 kcal/kg)
Initial Deformation Temp. (Red)	2,150 degrees F (1,175 degrees C)	2050 - 2250 F (1120 - 1230 C)
T250 Temperature	2,320 degrees F (1,275 degrees C)
Grindability (HGI)	42

Usibelli Coal Mine