G. Mark Johnson G. Mark Johnson is an attorney in private practice, a former deputy county attorney for Pima County, Arizona, and a writer on desert hiking, equipment, exploration, and survival who has published in Four-Wheeler Magazine, Desert Survivor, and othr magazines. He has 18 years’ experience in desert hiking and exploration and has ranged all the North American deserts as well as those of North Africa. He lectures on desert hiking and survival, conducts seminars on these topics, and tests gear in the desert environment for the outdoor equipment manufacturers.HOMETOWN: Tucson, Arizona Read More Read Less