1. Soil and flakes Museum number: 2-11629 Object class: Soil samples Collector: William Duncan Strong and William Egbert Schenck Collection place: Sauvie Island, Multnomah County, Oregon Collection date: August-September 1924
2. Soil sample Object status: Deaccessioned Museum number: 2-11956 Object class: Soil samples Collector: William Duncan Strong and William Egbert Schenck Collection place: Mackie Mound, Linn County, Western Oregon Collection date: 1925
3. Soil sample Object status: Deaccessioned Museum number: 2-11958 Object class: Soil samples Collector: William Duncan Strong and William Egbert Schenck Collection place: Mackie Mound, Linn County, Western Oregon Collection date: 1925
4. Soil sample Object status: Deaccessioned Museum number: 2-11957 Object class: Soil samples Collector: William Duncan Strong and William Egbert Schenck Collection place: Mackie Mound, Linn County, Western Oregon Collection date: 1925
5. Soil sample Object status: Deaccessioned Museum number: 2-11955 Object class: Soil samples Collector: William Duncan Strong and William Egbert Schenck Collection place: Mackie Mound, Linn County, Western Oregon Collection date: 1925
6. Soil sample Object status: Deaccessioned Museum number: 2-11960 Object class: Soil samples Collector: William Duncan Strong and William Egbert Schenck Collection place: Mackie Mound, Linn County, Western Oregon Collection date: 1925
7. Soil sample Object status: Deaccessioned Museum number: 2-11954 Object class: Soil samples Collector: William Duncan Strong and William Egbert Schenck Collection place: Mackie Mound, Linn County, Western Oregon Collection date: 1925
8. Soil sample Object status: Deaccessioned Museum number: 2-11959 Object class: Soil samples Collector: William Duncan Strong and William Egbert Schenck Collection place: Mackie Mound, Linn County, Western Oregon Collection date: 1925
9. Soil sample Museum number: 2-11627 Object class: Soil samples Collector: William Duncan Strong and William Egbert Schenck Collection place: Sauvie Island, Multnomah County, Oregon Collection date: August-September 1924
10. Soil sample Museum number: 2-11953 Object class: Soil samples Collector: William Duncan Strong and William Egbert Schenck Collection place: Mackie Mound, Linn County, Western Oregon Collection date: 1925