During the 1890s, scientists rediscovered what the Lakota Sioux already knew - bones preserved in one of the most complete Miocene mammal sites in the world.
Yet, this place called "Agate" is a landscape that reflects many players - from early animals roaming the valleys and hills, to tribal nations calling the High Plains home, to explorers passing through or settling in the American West.
Saturday, May 15, 2021 at 10:00am Central Time
Saturday, Apr 17, 2021 at 1:00pm Pacific Time
Sunday, Apr 18, 2021 at 4:00pm Eastern Time
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