Geology and coal deposits of the Shelburn quadrangle, Sullivan County, Indiana
Keyword(s):
2017 ◽
Vol 12
(38)
◽
pp. 144-152
Keyword(s):
2018 ◽
Vol 11
(49)
◽
pp. 544-550
2017 ◽
Vol 12
(37)
◽
pp. 126-133
1953 ◽