Coal Reserves of the United States 



Outline Map Showing Coal Areas of the United States 

 The black areas are anthracite and bituminous ; the shaded areas are lignite 



fields comes from this region. Some coke 

 is also produced in Colorado, on the west 

 side of the Front Range, at Durango and 

 in the vicinity of Glenwood Springs. 

 Other important centers of coke produc- 

 tion are Castle Gate and Sunnyside, in 

 Utah, and along Carbon River southeast 

 of Tacoma, Washington. Coke is also 

 made to a limited extent in Wyoming 

 near the Black Hills and in southern cen- 

 tral Montana. There are several other 

 coals that will coke with difificulty, which 

 may be developed in the future, but the 

 present prospect is not particularly prom- 

 ising. 



Bituminous, Steam, and Domestic 

 Coal. — This class of fuel is much more 

 abundant than either of the two preced- 

 ing classes. In New Mexico the largest 

 deposit of such coal is in the Raton field, 

 in the north central part of the territory. 

 Similar coal also occurs in the northern 

 part of the great Durango-Gallup field, 

 in the northwest corner of the territory, 

 and in several small fields south of 

 Santa Fe. 



In Colorado good bituminous coal oc- 

 curs in the fields just mentioned, at Trin- 

 idad and about Durango. It is also 

 present in the small field south of Can- 

 yon City and in Gunnison County. As 

 shown on the map, the latter field occu- 

 pies the southeastern point of a large 

 synclinal basin which extends as far 

 west as Castle Gate, Utah. The coal 

 outcrops on the south limb of this basin 

 in the Book Cliffs west of Grand Junc- 

 tion and along the "Great Hogback" 

 from Gunnison County northwestward 

 through Glenwood Springs and Meeker. 

 Throughout the whole line of outcrop 

 around this basin the coals are of the 

 bituminous class, although in places they 

 belong to the lowest group of the class. 

 Good bituminous coal also abounds in 

 the Yampa field, in Routt County. Thus 

 it will be seen that Colorado has a large 

 supply of this class of coal. 



Utah is also well supplied by the same 

 basin and by its extension southward 

 from Castle Gate along the Wasatch 

 Plateau. There is also a small field at 



