See also: https://en.wikipedia.org/wiki/Buffalo_jump https://en.wikipedia.org/wiki/Buffalo_jump Some buffalo jumps were used for thousands of years and had CRU

See also: https://en.wikipedia.org/wiki/Buffalo_jump https://en.wikipedia.org/wiki/Buffalo_jump Some buffalo jumps were used for thousands of years and had CRUSHED BONES from millions of animals falling over compressed into walls tens of feet high.