71. Obsidian nodule Bookmark Museum number: 2-66025 Collector: Richard Cowan and William Clewlow Collection place: NV-Pe-71, Pershing County, Nevada Collection date: 1966
72. Obsidian nodule Bookmark Museum number: 2-66022 Collector: Richard Cowan and William Clewlow Collection place: NV-Pe-71, Pershing County, Nevada Collection date: 1966
73. Obsidian nodule Bookmark Museum number: 2-66024 Collector: Richard Cowan and William Clewlow Collection place: NV-Pe-71, Pershing County, Nevada Collection date: 1966
74. Retouched flake Bookmark Museum number: 2-66040 Object class: Flakes (lithics) Collector: Richard Cowan and William Clewlow Collection place: NV-Pe-71, Pershing County, Nevada Collection date: 1966