The stratigraphy and paleontology of the Maquoketa Shale of Iowa, Part I.
By: By Harry Stephen Ladd
Publisher: published for the Iowa Geological Survey by the State of Iowa
Published: 1928
Place of publication: Des Moines
Language: eng
Number of pages: 448
Subjects: Paleontology; Geology
Notes: "From Iowa Geological Survey Vol. XXXIV, Annual Report, 1928; pages 305-448."

Cover serves as title-page.

Bibliography of the Maquoketa, p. 412-417.