Cite

Citation Info King, Philip B.. Arndt, Raymond E.. Schruben, Paul G.. Bawiec, Walter J.. Beikman, Helen M.. (2005). Outlines of Major Calderas and Impact Structures: Generalized Geologic Map of the Conterminous United States, 2005. [Shapefile]. Geological Survey (U.S.). Retrieved from https://gmutantt.gmu.edu/catalog/stanford-cn501pk8752