1. Bone implement Bookmark Bone implement, museum number 1-11174. Search result 1 Museum number: 1-11174 Culture or time period: Early/Middle Horizon: Patterson facies (ca. 500–200 BC) Object class: Worked bone Collector: A. V. Wepfer and Nels C. Nelson Collection place: CA-CCo-295, Richmond, Contra Costa County Collection date: June-July 1906 Taxon: Enhydra lutris
2. Spur Bookmark Spur, museum number 1-11186. Search result 2 Museum number: 1-11186 Culture or time period: Middle Horizon: Castro facies (ca. 200 BC–100 AD) Collector: A. V. Wepfer and Nels C. Nelson Collection place: CA-CCo-295, Richmond, Contra Costa County Collection date: June-July 1906