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Language: en
Pages: 28
The Helderberg Group and the Position of the Silurian-Devonian Boundary in North America
Authors:
Jean Milton Berdan
Categories:
Geology
Type:
BOOK -
Published:
1964 -
Publisher:
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An historical summary including a review of pertinent literature.
Language: en
Pages:
The Helderberg Group and the Position of the Silurian-Devonian Boundary in North America - an Historical Summary Including a Review of Pertinent Literature
Authors:
Categories:
Type:
BOOK -
Published:
1964 -
Publisher:
DOWNLOAD EBOOK
Language: en
Pages: 19
The Helderberg Group and the Position of the Silurian-Devonian Boundary in North America
Authors:
Jean Milton Berdan
Categories:
Geology
Type:
BOOK -
Published:
1964 -
Publisher:
DOWNLOAD EBOOK
An historical summary including a review of pertinent literature.
Language: en
Pages: 39
HELDERBERG GROUP AND THE POSITION OF THE SILURIAN-DEVONIAN BOUNDARY IN NORTH AMERICA.
Authors:
United States. Department of the Interior
Categories:
Type:
BOOK -
Published:
1969 -
Publisher:
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Language: en
Pages: 170
Cretaceous Stratigraphy of the McCarthy A-4 Quadrangle, Southern Alaska
Authors:
David Lawrence Jones
Categories:
Geology
Type:
BOOK -
Published:
1964 -
Publisher:
DOWNLOAD EBOOK
A description of the lithology and paleontology of three units of formational rank in the upper Chitina Valley region of Alaska.