article by Geoffrey S. Plumlee et al published 2009 in Open-File Report
1996 publication of the Arizona Geological Survey by Philip A. Pearthree, Kirk R. Vincent, Richard Brazier, and David M. Hendricks
original edition of the 1996 publication of the Arizona Geological Survey by Philip A. Pearthree, Kirk R. Vincent, Richard Brazier, and David M. Hendricks
scientific article published in January 2006
Paulina is supported by:
About Paulina