Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
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Transcription
1976
GEOLOGY
UNITED STATES
DEPARTMENT OF THE INTERIOR
DI-6
APPROVED DECEMBER 1981
HECME 76502983 (7) 7782
LEO Y. HOCKAY
DIV PALEONTOLOGY A-342 AM
SMITHSONIAN INST.
WASHINGTON,