A survey of Native American earthlodge research from across the Great Plains.Early explorers initially believed the earthlodge homes of Plains village peoples were made entirely of earth. Actually, however, earthlodges are timber-frame structures, with the frame covered by successive layers of willows, grass, and earth, and with a tunnel-like entryway and a smoke hole in the center of the roof. The products of nearly a millennium of engineering development, histori...