Isopach map of the Lebo Shale Member, Fort Union Formation, northwestern Powder River basin, Wyoming and Montana
1991 ◽
Keyword(s):
Keyword(s):
1981 ◽
pp. 169-190
◽
1991 ◽
Keyword(s):
1993 ◽
Vol 1993
(1)
◽
pp. 249-265