Document Record

Creator

Hall, James, 1811-1898
Worthen, A. H. (Amos Henry), 1813-1888. Remarks on the relative age of the Niagara and so-called Lower Helderberg groups.
American Association for the Advancement of Science.

Title

CIHM/ICMH microfiche series ; no. 34436
On the relations of the Niagara and Lower Helderberg formations, and their geographical distributions in the United States and Canada

Published

[Salem, Mass.? : s.n.], 1874 ([Salem, Mass.?] : Salem Press)

Identifier

34436
FC 02 0203 no. 34436
oocihm.34436

Subject

Geology, Stratigraphic -- Paleozoic.
Géologie stratigraphique -- Paléozoïque.

Document source

Filmed from a copy of the original publication held by the Library of Congress, Photoduplication Service.

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.
1 microfiche (11 fr.).
p. 321-335 ; 23 cm.

Collection

Monographs

Language

English

URL

https://www.canadiana.ca/view/oocihm.34436