Conodonts from the Chester series in the type area of southwestern Illinois
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Word Count
10,750 words, Guess
Page Count
43 pages
Identifiers
- Internet Archiveconodontsfromche199rexr
- Library of Congress Control Numbera57009253
- OCLC Control Number4224897
- Open LibraryOL213262M
Classifications
- DDC565.14
- LCCQE899 .R4
- LCCQE105 .A25 no.199
Subjects
Series Statement
- Illinois. State Geological Survey. Report of investigations,
- 199
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