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Authors whose works are in public domain in at least one jurisdiction

List of works by Carl Owen Dunbar

Artinskian Series: DISCUSSION

Correlation of the Permian Formations of North America

scientific article published in 1960

Problems of Pennsylvanian-Permian Boundary in Southern Nevada

Standard Permian Section of North America

article by John Emery Adams et al published 1939 in AAPG Bulletin

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