The Geologic Story of the Great Plains
http://www.lib.ndsu.nodak.edu/govdocs/text/greatplains/text.html

Donald E. Trimble, Geological Survey Bulletin 1493


This site provides a non-technical description of the origin and evolution of the landscape of the Great Plains physiographic province. Information about the history and descriptions of the various landforms of the Great Plains is included.

This resource is referenced here:
Subject: Geoscience:Geology:Geomorphology, Geography:Physical
Resource Type: Scientific Resources:Overview/Reference Work
Topics: Time/Earth History, Earth surfaceKeywords: Black Hills, Central Texas Uplift, Raton section, High Plains, Missouri Plateau, Colorado Piedmont