PreviousSources
Turquoise, The Gem of the Centuries, by Oscar T. Branson, Treasure Chest PublicationsBob Jones, Senior Editor, Rock & Gem Magazine, Turquoise, Blue Sky...Blue Stone"
The Turquoise Trail, by Carol Karasik, Harry N. Abrams Publisher
Arizona Highways, January 1974
Silver Sun, 656 Canyon Road, ,Santa Fe, New Mexico 87501, www.silversun-sf.