GEOLOGICAL SURVEY OF THE TERRITORIES. 183 



Per cent. 

 Second analysis : 



Water and volatile substances 54. 00 



Ash 4.00 



Fixed carbon ' 42. 00 



Total 100.00 



Third analysis : 



Water 1 16.00 



Volatile substances 38. 00 



Ash 4. 50 



Fixed carbon 41. 50 



Total.. 100.00 



■ Fourth analysis : 



Water 16.00 



Volatile substances 38. 00 



Ash '. 5.00 



Fixed carbon 41. 00 



Total 100.00 



Fifth analysis : 



Water 16. 00 



Volatile substances 38. 00 



Fixed carbon „ 41. 00 



Ash 5.00 



Total 100.00 



Average of five analyses : 



Water 16.00- 



Volatile substances, 38. 00 



Ash 4.50 



Fixed carbon 41. 50 



Total .. 100.00 



Bituminous coal from Spriggs's Mine, Weber Gailon, Utah Territory. 



Water and volatile substances 50. 80 



Ash 3.60 



Fixed carbon 45. 60 



Total 100.00 



Bituminous coal from Evanstown, Union Pacific Railroad. — This coal 

 is black, (even in powder,) has a highly resinous luster, and a fracture 

 like the other coals of this class, irregular and conchoidal. It appears 

 better able to resist the action of the atmosphere than the other tertiary 

 coals examined, and is not nearly so friable. Its specific gravity is 1.341. 



Per cent. 

 First analysis : 



Water 6.00 



Volatile substances 38. 00 



Ash 7.50 



Fixed carbon 49.50 



100.00 



Second analysis : 



Water 5.50 



Volatile substances 37. 00 



