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  • Carbonate facies and the lithostrotionid corals of the Mississippian Kogruk Formation, DeLong Mountains, northwestern Alaska / by Augustus K. Armstrong.

    • Text
    • Washington : United States Department of the Interior, Geological Survey, 1970.
    • 1970
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo87777

  • Carboniferous biostratigraphy, northeastern Brooks Range, Arctic Alaska / by Augustus K. Armstrong and Bernard L. Mamet.

    • Text
    • Washington : United States Department of the Interior, Geological Survey, 1975.
    • 1975
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo88166

  • Biostratigraphy of Mississippian lithostrotionoid corals, Lisburne Group, arctic Alaska / by Augustus K. Armstrong.

    • Text
    • Washington : United States Department of the Interior, Geological Survey, 1972.
    • 1972
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo88331

  • Pennsylvanian carbonates, paleoecology, and rugose colonial corals, north flank, eastern Brooks Range, Arctic Alaska / by Augustus K. Armstrong.

    • Text
    • Washington : United States Department of the Interior, Geological Survey, 1972.
    • 1972
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo88414

  • Carboniferous microfacies, microfossils, and corals, Lisburne Group, Arctic Alaska / by Augustus K. Armstrong and Bernard L. Mamet.

    • Text
    • Washington : United States Department of the Interior, Geological Survey, 1977.
    • 1977
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo89519

  • Biostratigraphy and regional relations of the Mississippian Leadville limestone in the San Juan Mountains, southwestern Colorado / by Augustus K. Armstrong and Bernard L. Mamet.

    • Text
    • Washington : United States Department of the Interior, Geological Survey, 1976.
    • 1976
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo89878

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