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Subjects
Geology, Stratigraphic, Stratigraphic GeologyTimes
PaleozoicShowing 2 featured editions. View all 2 editions?
Edition | Availability |
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1
On the relations of the Niagara and Lower Helderberg formations, and their geographical distributions in the United States and Canada
1982, s.n.]
Microform
in English
0665344368 9780665344367
|
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2
On the relations of the Niagara and Lower Helderberg formations, and their geographical distributions in the United States and Canada
1982, s.n.]
Microform
in English
0665344368 9780665344367
|
aaaa
Libraries near you:
WorldCat
|
Book Details
Edition Notes
Caption title.
"From the Proceedings of the American Association for the Advancement of Science, Portland Meeting, August, 1873."
Criticism of A.H. Worthen's article, Remarks on the relative age of the Niagara and so-called Lower Helderberg groups.
Filmed from a copy of the original publication held by the Library of Congress, Photoduplication Service. Ottawa : Canadian Institute for Historical Microreproductions, 1982.
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- Created November 6, 2008
- 3 revisions
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August 2, 2012 | Edited by VacuumBot | Updated format '[microform] /' to 'Microform' |
December 15, 2009 | Edited by WorkBot | link works |
November 6, 2008 | Created by ImportBot | Imported from University of Toronto MARC record |