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1by Elder, William P.Subjects: “...Paleontology Mesozoic Maps....”
Published 1992
Government Document Microform Book -
2by Elder, William P.Subjects: “...Paleontology Mesozoic....”
Published 1994
Government Document Book -
3Published 1995Subjects: “...Paleontological excavations Alaska Katmai National Park and Preserve Region Maps....”
Government Document Map