Paleogeography and Geologic Evolution of North America
http://jan.ucc.nau.edu/~rcb7/nam.html

Dr. Ron Blakey, Northern Arizona University


The site consists of images showing how current research suggests the North American continent has developed over the last 550 million years. The 41 maps show projections of how the continent looked at particular points in geologic time.

This resource is referenced here:
Subject: Geoscience:Geology:Tectonics, Historical Geology
Resource Type: Audio/Visual:Collections, Images/Illustrations