Question: What national park housed a quasi-commune that arose in California in the late 1960s?
Sentence (from "Charles Manson"): Charles Milles Manson (born Charles Milles Maddox, November 12, 1934) is an American convicted mass murderer and former cult leader who led what became known as the Manson Family, a quasi-commune that arose in California in the late 1960s.
Relevant evidence: Yes