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Images

This gallery contains selected images from the Joan Echols Collection.

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Mastodon Skull and Tusks, Reverse

1959
Bison Excavation at Night, Front

1959
Bison Excavation at Night, Reverse

1959
Collecting Samples in Lake Tawakoni Stream Bed

1959
Elementary Earth Science Workshop, Front

circa 1959/1961
Elementary Earth Science Workshop, Reverse

circa 1959/1961
Fossilized Jawbone

1959
Giant Bison Fossil

1959/1960