This statue is a part of a series of wooden carvings designed by Peter Wolf Toth entitled "Trail of the Whispering Giants." It is located in a small park along the railroad tracks in Winslow, Arizona.
For more information please refer to these two websites, which are the primary sources for most of my Whispering Giant statue information:
www.dcschumaker.com/statues.htm
en.wikipedia.org/wiki/Trail_of_the_Whispering_Giants