Rock Varnish Websites

http://minerals.gps.caltech.edu/FILES/VARNISH/Index.html

http://alliance.la.asu.edu/dorn/VarnishPages/GeochemicalSediments/GeochemicalSediments.html

Rockart Websites

http://www.asu.edu/clas/shesc/dvrac/pages/rockartbasics/basicframe.htm

http://www.petroglyphs.us/

http://www.nevadarockart.info//

http://raysweb.net/rockart/index.html

http://www.spokaneoutdoors.com/buffaloeddy.htm/