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ID: 298089
Albert Thomson eating lunch at camp near Scenic, South Dakota, 1941
ID: 298051
Brule formation, near Scenic, South Dakota, 1941
ID: 298088
Albert Thomson with Hyaenodon fossil skeleton, Brule Formation, South Dakota, 1941
ID: 298073
Albert Thomson, James Browne, and Henry Lee picnic in the White River Badlands, South Dakota, 1941
ID: 296338
Albert Thomson with Hyaenodon horridus fossil in cinches, ready to be turned over, South Dakota, 1941