Age. Early Irvingtonian, between 1.6 and 1.2 Ma (Morgan and Lucas 2005).
General Description. Morgan and Lucas (2005): The sediments are sand and gravel deposits of the ancestral Rio Grande in the upper Camp Rice Formation, about 3 km N of Tortugas Mountain.
Fauna
†Mammuthus imperator—Imperial Mammoth (Morgan and Lucas
2005)
†Cuvieronius tropicus—Cuvier's Gomphothere (Morgan and Lucas
2005)
†Equus sp. (Large)—Large Horse (Morgan and Lucas 2005)
Literature. Morgan and Lucas 2005.