H. Dwight Weaver, (text author for The Wilderness Underground), is a public information specialist for the Missouri Department of Natural Resources in Jefferson City, Missouri. Author of Missouri, the Cave State, Weaver is co-founder of Missouri Speleogy and has been exploring caves for thirty-five years.James N. Huckins, (photo editor for The Wilderness Underground), a caver for twenty-five years, is a research environmental chemist for the U.S. Fish and Wildlife Service in Columbia, Missouri. He has served as a judge for the annual photography contest of the National Association for Conservation Information.Rickard L. Walk, (photo editor for The Wilderness Underground), is a certified registered nurse anestetist in Columbia, Missouri. He is an avid outdoor photographer whose work appears in Colorful Missouri. He has been a caver for ten years.