You searched for: Author Schruben, Paul G. Remove constraint Author: Schruben, Paul G. Author Bawiec, Walter J. Remove constraint Author: Bawiec, Walter J. Publisher Geological Survey (U.S.) Remove constraint Publisher: Geological Survey (U.S.) Place Massachusetts Remove constraint Place: Massachusetts Place United States Remove constraint Place: United States Place Delaware Remove constraint Place: Delaware Data type Polygon Remove constraint Data type: Polygon
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile shows the outlines of major calderas and impact structures in the United States. This layer is part of the Geologic Map of the ... Geological Survey (U.S.).