Early and middle Bajocian (middle Jurassic) ammonites from southern Alaska
By: by Ralph W. Imlay.
Series: U.S. Geological Survey professional paper ;; 1322
Publisher: U.S. G.P.O.; For sale by the Distribution Branch, U.S. Geological Survey
Published: 1985
Place of publication: Washington, D.C; Alexandria, VA
Language: eng
Number of pages: 38
Subjects: Ammonoidea -- Alaska.; Paleontology -- Jurassic.; Paleontology -- Alaska.
Notes: Bibliography: p. 38.