Core-hole drilling and coal analysis report for nine holes drilled during 1977 in the Nucla coal field, Montrose County, Colorado
1988 ◽
Vol 93
(B9)
◽
pp. 10163-10173
◽
Keyword(s):
2008 ◽
Vol 15
(1)
◽
pp. 151-153
◽
1909 ◽
Vol 67
(1742supp)
◽
pp. 335-335
Keyword(s):
1986 ◽
Vol 47
(C8)
◽
pp. C8-961-C8-964