When hippie activists first wound their way on to the Navajo Reservation at Big Mountain, Arizona, what they saw and what they did would influence social and environmental activism in the Black Mesa region for many years to come. Navajo Grandmothers were being tormented. Water wells had been capped. As a result of corporate interest in uranium and coal extraction, and the passage of the 1974 Navajo/Hopi Land Settlement Act, sheep, goats, cattle,...