Map of the Plains and Sierra Miwok territories, an excerpt from the map titled "Territory and Villages of the Maidu and Miwok", taken from the Handbook of the Indians of California by Alfred L. Kroeber, published by the Bureau of American Ethnology in 1925. Edited: territories of Plains Miwok (green), Northern Sierra Miwok (orange), Central Sierra Miwok (red), and Southern Sierra Miwok (purple) indicated by color.