1. Asphaltum Museum number: 1-61962 Object class: Mineral and rock samples Collector: Gordon W. Hewes and Minna Hewes Collection place: CA-Fre-48 (Tranquillity site), Fresno County, California Collection date: August 28-29, 1942
2. Asphaltum Museum number: 1-51578 Object class: Mineral and rock samples Collector: Gordon W. Hewes and Minna Hewes Collection place: CA-Fre-48 (Tranquillity site), Fresno County, California Collection date: November 23, 1940
3. Crystal Museum number: 1-51579 Object class: Mineral and rock samples Collector: Gordon W. Hewes and Minna Hewes Collection place: CA-Fre-48 (Tranquillity site), Fresno County, California Collection date: November 23, 1940
4. Nodule Museum number: 1-61942 Object class: Mineral and rock samples Collector: Gordon W. Hewes and Minna Hewes Collection place: CA-Fre-48 (Tranquillity site), Fresno County, California Collection date: August 28-29, 1942
5. Rocks Museum number: 1-61698 Object class: Mineral and rock samples Collector: Gordon W. Hewes Collection place: CA-Fre-48 (Tranquillity site), Fresno County, California Collection date: December 7, 1941
6. Shell Museum number: 1-51574 Object class: Faunal remains and Shell samples Collector: Gordon W. Hewes and Minna Hewes Collection place: CA-Fre-48 (Tranquillity site), Fresno County, California Collection date: November 23, 1940
7. Shell Object status: Deaccessioned Museum number: 1-64967 Object class: Shell samples Collector: Gordon W. Hewes and Minna Hewes Collection place: CA-Fre-74, Fresno County, California Collection date: 1941
8. Soil sample Museum number: 1-61680 Object class: Soil samples Collector: Gordon W. Hewes Collection place: CA-Fre-48 (Tranquillity site), Fresno County, California Collection date: December 7, 1941
9. Soil sample Museum number: 1-61699 Object class: Soil samples Collector: Gordon W. Hewes Collection place: CA-Fre-48 (Tranquillity site), Fresno County, California Collection date: December 7, 1941
10. Soil sample Museum number: 1-61678 Object class: Soil samples Collector: Gordon W. Hewes Collection place: CA-Fre-48 (Tranquillity site), Fresno County, California Collection date: December 7, 1941