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1by Knechtel, Maxwell M. (Maxwell McMichael), 1897-1984Subjects: “...Bentonite deposits Wyoming Crook County Maps....”
Published 1956
Government Document Map -
2by 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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