Coal studies: methane content of Utah coals; observations on the Sunnyside coal zone; chemical analyses of coal from the Blackhawk formation, Wasatch plateau Coal Field, Carbon, Emery, and Sevier counties, Utah. Special studies 49. [Utah]
1987 ◽
Keyword(s):
1990 ◽
Keyword(s):
1991 ◽
Vol 28
(2)
◽
pp. 105-118
◽