1. Soil sample Museum number: 1-208148 Object class: Charred and Soil samples Collector: Cherie N. Gregoire, James Allan Bennyhoff, and Patricia Raab Collection place: CA-SJo-106A, San Joaquin County, California Collection date: June-August 1954
2. Soil sample Museum number: 1-208150 Object class: Charred and Soil samples Collector: Cherie N. Gregoire, James Allan Bennyhoff, and Patricia Raab Collection place: CA-SJo-106A, San Joaquin County, California Collection date: June-August 1954
3. Soil sample Museum number: 1-39368.1 Object class: Charred and Soil samples Collector: Ernest N. Johnson Collection place: CA-CCo-138, Oakley, Contra Costa County Collection date: January 23, 1937
4. Soil sample Museum number: 1-39368.2 Object class: Charred and Soil samples Collector: Ernest N. Johnson Collection place: CA-CCo-138, Oakley, Contra Costa County Collection date: January 23, 1937
5. Soil sample Museum number: 1-39368 Object class: Charred and Soil samples Collector: Ernest N. Johnson Collection place: CA-CCo-138, Oakley, Contra Costa County Collection date: January 23, 1937
6. Soil sample Museum number: 1-208149 Object class: Charred and Soil samples Collector: Cherie N. Gregoire, James Allan Bennyhoff, and Patricia Raab Collection place: CA-SJo-106A, San Joaquin County, California Collection date: June-August 1954
7. Soil sample Museum number: 2-67348 Object class: Charred and Soil samples Collector: Patrick S. Hallinan Collection place: NV-Ch-15, Churchill County, Nevada Collection date: 1969
8. Soil sample Museum number: 1-17069 Object class: Charred and Soil samples Collector: A. T. Frohlich Collection place: CA-Sac-NL-4, Sacramento County, California Collection date: 1912
9. Soil sample Museum number: 1-208147 Object class: Charred and Soil samples Collector: Cherie N. Gregoire, James Allan Bennyhoff, and Patricia Raab Collection place: CA-SJo-106A, San Joaquin County, California Collection date: June-August 1954