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1Published 1996“...[U.S. Dept. of the Interior, National Park Service],...”
Government Document Microform Book -
2Published 1997“...National Park Service, U.S. Dept. of the Interior,...”
Government Document Microform Book -
3Published 2000“...U.S. Dept. of Interior, National Park Service,...”
Vol. 1:
Vol. 2:
Vol. 3, pt. 1:
Vol. 3, pts. 2-3:
Government Document Microform Book -
4Published 2000“...[U.S. Dept. of the Interior, National Park Service, Denver Service Center],...”
Government Document Microform Book