Works of "Research Collection"
Place Collected: Camp Bird Mine
Place Collected: Ute Creek
Place Collected: Baja California
Place Collected: Boise River
Place Collected: Tri-state Dist.
Place Collected: White Caps Mine
Place Collected: Badakhshan Province
Place Collected: Ocna De Fier
Place Collected: Higgins Mine
Place Collected: Llallagua
Place Collected: near Marienbad