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1by Knechtel, Maxwell M. (Maxwell McMichael), 1897-1984, Patterson, Sam H. (Sam Hunting), 1918-2004Subjects: “...Bentonite Wyoming....”
Published 1952
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2by Knechtel, Maxwell M. (Maxwell McMichael), 1897-1984Subjects: “...Bentonite deposits Wyoming Crook County Maps....”
Published 1956
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3by Knechtel, Maxwell M. (Maxwell McMichael), 1897-1984, Patterson, Sam H. (Sam Hunting), 1918-2004Subjects: “...Bentonite deposits Wyoming Crook County....”
Published 1962
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4by Knechtel, Maxwell M. (Maxwell McMichael), 1897-1984, Patterson, Sam H. (Sam Hunting), 1918-2004Subjects: “...Bentonite deposits Wyoming Sheridan County....”
Published 1956
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Government Document eBook