In the vicinity of the confluence of Brush Creek there is a noteworthy rock formation known as "Flat Rocks"; adjacent was a native Pomo village, presumably to exploit the resources of the confluence area as a suitable place for fishing, bathing, washing and providing drinking water.
In the vicinity of Brush Creek's confluence is an important rock formation called "Flat Rocks"; nearby stood an indigenous Pomo village that likely utilized the resources around the confluence for various purposes including fishing, bathing, washing, and providing drinking water.