Recurrent tropidoleptus zones of the upper Devonian in New York /

Bibliographic Details
Main Author:	Williams, Henry Shaler, 1847-1918
Format:	Government Document Book
Language:	English
Published:	Washington : Govt. Print. Off, 1913.
Series:	Professional paper (Geological Survey (U.S.)) ; 79.
Subjects:	Paleontology > Devonian. Paleontology > New York (State)

Description
Physical Description:	103 pages : 6 plates folded tables, diagrams ; 29 cm.
Bibliography:	Includes bibliographical references and index.