Literature Cited;

"Roadside Geology of Colorado";    Halka Chronic.
Mountain Press Publishing Co. Missoula, Montana, 1983

"The Cosmic Serpent";  Victor Clube and Bill Napier.
Universal Book Publishing Co.
381 Park Avenue South, NYNY   1982

"The Field Guide to Geology";  David Lambert and the Diagram Group.
Facts on Line.
460 Park Avenue South, NYNY   1988

"The Living Earth - The Earth's crust";  Arthur Bourne.
The Danbury Press.         1975

"Continents in Collision";  Russell Miller.
Time-Life Books
54i9 Fairbanks Court
Chicago, Illinois    1983

"Born of Heat";  Patricia L. Barnes-Svarney.
Enslow Publishers Inc.
Blog St. and Ramsey Avenue.
Hillside, New Jersey   1991

"Mountains and Plains, the Ecology of Wyoming Landscapes";  Dennis Knight.
Yale University Press
New Haven and London   1994

"Modern Physical Geography";  Arthur N. Strahler and Alan H. Strahler.
John Wiley and Sons.     1987

"Mountains and Man";  Larry W. Price.
University of California Press
Berkeley, California   1981