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A guided inquiry exercise has been developed to help teach the geology of the U.S. This exercise is intended for use early in the school term when students have little background knowledge of geology. Before beginning, students should be introduced to rock types and have a basic understanding of geologic time. This exercise uses three maps: the U.S. Geological Survey's "A Tapestry of Time and Terrain" and "Landforms of the Conterminous United States" maps, and a geologic map of the Uniteddoi:10.5408/1089-9995-52.4.368 fatcat:yfxtjzrwybfzjoidwa6lismoai