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1Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
2Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
3Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
4Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
5Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
6Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
7Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
8Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
9Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
10Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
11Structure at the upper Cretaceous clay spur bentonite bed, Powder River Basin, Wyoming and Montana /Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
12Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
13Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
14Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
15Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
16Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
17Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
18Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
19Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map -
20Published 1987Subjects: “...Petrology Powder River Basin (Wyo. and Mont.) Maps....”
Government Document Microform Map