is there Indian burial grounds in Moreno Valley Ca?

There are two known Native American burial grounds in the Moreno Valley area. The first, known as the Box Springs Burial Ground, is located in the far southern portion of the valley. The second, known as the Alessandro Chumash Cemetery is located in the north end of the valley. Both burial grounds have been recorded as California State Archaeological Sites and the Alessandro Chumash Cemetery has also been declared a Riverside County Historical Landmark.