Chrysotile from Pedregosa Basin, North America Plate
USA | |
| Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 106. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Brenda B. Houser (1992) Map of Industrial Mineral Occurrences in the National Forests of Arizona. USGS Open File Report 92-687 |
| Luetcke, Rolf (n.d.) Personal communication. |
Hilltop Mine, California Mining District, Chiricahua Mountains, Cochise County, Arizona, USA