1. Winnowing tray Bookmark Museum number: 1-12957 Culture or time period: Diegueño and Kumeyaay Object class: Basketry (object genre), Coiled weaving, and Winnowers (agricultural equipment) Function: 1.5 Household Dimensions: diameter 37.2 centimeters Collector: Thomas T. Waterman Collection place: Mesa Grande, San Diego County, California Collection date: 1907 Taxon: Rhus, Sambucus, and Sporobolus rigens