Date: January 1969
Description: Photograph of a table diagram showing the evolution of horses through several different types of skulls. The skulls are lined up, most evolved and biggest on top to the smallest on bottom. The poster has several words on it that read, from top to bottom, "Quarternary or Age of Man, 1,000,000 Years, Pleistocene Epoch. Tertiary Age of Mammals: 50,000,000 Years. Pliocene Epoch, Miocene Epoch, Oligocene Epoch, Eocene Epoch, Mesozoic Epochs".
Contributing Partner: Cattle Raisers Museum