California and the Central Valley, by José María Narvaez, 1830
All the territory of the four presidios with missions and pueblos made up only a narrow strip of Spanish/Mexican settlement along California's coast. Many Native American groups lived inland. There, marshes created a rich habitat for the great variety of plants and animals which the Native Americans hunted and harvested.
Audio: 113 – Sebastián Peralta leads the slaughter of the Calaveras River