Appreciation is extended to the United States Department of the Interior, Lic. Bernardo Biados, Barry & René Fell and various government agencies in the Americas for their assistance in accessing photographed sites.  The sources of unidentified photos are being sought; please contact <e.legner@ucr.edu>

 

       Further details about sites may be found  in:

 

       Heizer, R. F. & M. A. Baumhoff.  1962.  Prehistoric Rock Art of Nevada and Eastern California.  Univ. of Calif. Press, Berkeley, Los Angeles, London.  412 p. and  <Bibliography>

 

       The ancient originators of the structures and art displayed are posthumously respectfully acknowledged.  For teaching purposes only; do not review, quote or abstract.