Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Erica Van Pelt Los Angeles, CA Founder John Sampson White Editing, advertising 4631 Paseo Tubutama Tucson...reprints, book sales, shows) P.O. Box 35565 Tucson, Arizona 85740 520-297-6709 • FAX: 520-544-0815 E-mail:...Rossman Orpiment from the Twin Creeks mine, Humboldt County, N e v a d a ....................................311 by B. K. Lees The Purple Passion mine, Yavapai County, A rizona.................. 323 by E. Davis |