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mods: Stratigraphy and paleontology of the revised type section for the Tahkandit Limestone (Permian) in east-central Alaska Brabb, Earl E. 1929- creator author. Grant, Richard E. 1927-1994 author. Geological Survey (U.S.) issuing body. text bibliography dcu 1971 monographic eng remote 1 online resource (iii, 25 pages, 2 unnumbered pages of plates) : illustrations, maps. by Earl E. Brabb and Richard E. Grant. Title from title screen (viewed September 30, 2014). "Revisions in the definition, description, and paleontology of an Arctic Permian formation." Includes bibliographical reference (pages 22-23) and index. n-us-ak Geology Alaska Geology, Stratigraphic Permian Paleontology Alaska Geology Geology, Stratigraphic Paleontology Permian Geologic Period Alaska From 230 to 280 million years ago fast I 19.16:703 I 19.16:703 Stratigraphy and paleontology of the revised type section for the Tahkandit Limestone (Permian) in east-central Alaska Brabb, Earl E., 1929-. (DLC) 70611771 (OCoLC)221264 Geological Survey professional paper ; 703 https://purl.fdlp.gov/GPO/gpo87775 COP 141123 20211120182704.0 in00003913863 eng