The Helderberg Group and the position of the Silurian-Devonian boundary in North America

J.M. Berdan

doi:10.3133/b1180B

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The Helderberg Group and the position of the Silurian-Devonian boundary in North America

Bulletin 1180-B

By: J.M. Berdan

https://doi.org/10.3133/b1180B

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Abstract

Additional publication details
Publication type	Report
Publication Subtype	USGS Numbered Series
Title	The Helderberg Group and the position of the Silurian-Devonian boundary in North America
Series title	Bulletin
Series number	1180
Chapter	B
DOI	10.3133/b1180B
Edition	-
Year Published	1964
Language	ENGLISH
Publisher	U.S. G.P.O.,
Description	iii, 19 p. :map ;24 cm.
Google Analytic Metrics	Metrics page