1. Worked stone Bookmark Worked stone, museum number 1-39382. Search result 1 Museum number: 1-39382 Object class: Worked stone Dimensions: height 30 millimeters Collector: Robert Fleming Heizer Collection place: CA-CCo-250, Concord, Contra Costa County Collection date: October 24, 1937
2. Worked stone Bookmark Worked stone, museum number 1-39586. Search result 2 Museum number: 1-39586 Object class: Hammerstones Collector: Robert Fleming Heizer Collection place: CA-CCo-250, Concord, Contra Costa County Collection date: February 7, 1938
3. Worked stone Bookmark Worked stone, museum number 1-39413. Search result 3 Museum number: 1-39413 Object class: Ground stone and Pestles Dimensions: length 8 centimeters, length 4 centimeters, and width 6 centimeters Collector: Robert Fleming Heizer Collection place: CA-CCo-250, Concord, Contra Costa County Collection date: October 1937