Eggshell Cave: A Ceremonial Site in the Western Mojave Desert, California
- Author(s): Thomas O'Donnell, John
- Sutton, Mark Q
- Robinson, R. W
- et al.
Excavations at a small cave in the western Mojave Desert revealed a small ceremonial location dating from late prehistoric times where, we believe, a person or persons ingested Amsinckia seeds for their hallucinogenic effect, likely for ritual purposes.