Lawrence L LoendorfLawrence Loendorf is president of Sacred Sites Research, Inc., a nonprofit dedicated to preserving rock art sites by adequately recording them. He is author of Thunder and Herds: Rock Art of the High Plains, coauthor of Ancient Visios: Petroglyphs and Pictographs of the Wind River and Bighorn Country, Wyoming and Montana, and coeditor of Discovering North American Rock Art. Read More Read Less
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