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The Martinsburg formation (Middle and Upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey : a clarification of the stratigraphy of clastic rocks of Middle and Late Ordovician age in western New Jersey and eastern Pennsylvania / by Avery Ala Drake, Jr. and Jack B. Epstein ; prepared in cooperation with the Pennsylvania Geological Survey.

Drake, Avery Ala, 1927- (Author). Geological Survey (U.S.), issuing body. (Added Author). Geological Survey of Pennsylvania, sponsoring body. (Added Author).
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Record details

  • Physical Description: 1 online resource (16 pages) : illustrations.
  • Publisher: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1967.
  • Distributor: Washington : U.S. Government Printing Office

Content descriptions

General Note: Title from title screen (viewed May 6, 2016).
Bibliography, etc. Note: Includes bibliographical references (pages 15-16).
Subject: Geology, Stratigraphic > Ordovician.
Geology > Pennsylvania.
Geology > New Jersey.

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