The fauna of the Pottsville formation of Ohio below the Lower Mercer limestone /

Bibliographic Details
Main Author: Morningstar, Helen, 1891-
Format: Thesis Book
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1922.
Subjects:
Description
Physical Description:92 pages, 2 unnumbered leaves of plates : illustrations ; 24 cm.
Bibliography:Includes bibliographical references.