The Devonian of Pennsylvania : Middle and upper Devonian / by Bradford Willard; Keyser limestone and Helderberg group, by Frank M. Swartz; Oriskany group, by Arthur B. Cleaves.

By: Contributor(s): Material type: TextTextSeries: Bulletin G ; 19Publication details: Harrisburg, Pa. : Dept. of internatl affairs, Topographic and geologic survey, 1939.Description: xii, 481 p. : ill. ; 24 cmSubject(s): LOC classification:
  • QE665 .P42 1939
Tags from this library: No tags from this library for this title. Log in to add tags.
Star ratings
    Average rating: 0.0 (0 votes)
No physical items for this record

At head of title: Pennsylvania Geological Survey, Fourth series.

Bibliography: p. 434-445.

There are no comments on this title.

to post a comment.

Powered by Koha