National Geographic : 1987 Jan
unsupervised and get hurt. At Imperial Dunes alone in the past 13 years. A Dunes a woman was injured when her conservation measure bans vehicles vehicle overturned (below left). Some from dunes on Highway 78's north side. are permanentlymaimed, or worse. BLM rangerBill Vernon tickets two Nearly 70 have been killed at Imperial trespassers(below).