Object class: Specimens and samples / Collection place: Unincorporated western Contra Costa County, California / Culture or time period: Upper Archaic Period of California (500 BC–1000 AD) - Hearst Museum Portal Search Results

Start Over Object class Specimens and samples Collection place Unincorporated western Contra Costa County, California Culture or time period Upper Archaic Period of California (500 BC–1000 AD)

1. Shell

Museum number:: 1-141925
Culture or time period:: Middle Horizon: Sherwood facies (ca. 200–400 AD)
Object class:: Shell samples
Collector:: Albert B. Elsasser and James Allan Bennyhoff
Collection place:: CA-CCo-14, El Sobrante, Contra Costa County
Collection date:: April 11-14, 1955

2. Shell artifact

Museum number:: 1-210282.1
Culture or time period:: Middle Horizon: Sobrante facies (ca. 500–700 AD)
Object class:: Shell samples
Collector:: Anthropology 195, Clement W. Meighan, and Robert Fleming Heizer
Collection place:: CA-CCo-151, El Sobrante, Contra Costa County
Collection date:: 1951