Restored stratigraphic cross sections and coal correlations in the Tongue River member of the Fort Union Formation, Powder River area, Montana
Ronald H. Affolter
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Joseph R. Hatch
Ronald H. Affolter
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Joseph R. Hatch
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E.J. McKay
R.H. Affolter
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M.A. Kirschbaum
Carol Waite Connor
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Laura R. Biewick