Lithologic logs of observation wells and test holes drilled in 1987 in valley fill along the north flank of the Little Rocky Mountains, Fort Belknap Indian Reservation, north-central Montana
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1993 ◽
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1993 ◽
2017 ◽
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2010 ◽
Vol 100
(4)
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pp. 806-817
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2015 ◽
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