You searched for: Author Beikman, Helen M. Remove constraint Author: Beikman, Helen M. Author Arndt, Raymond E. Remove constraint Author: Arndt, Raymond E. Author Schruben, Paul G. Remove constraint Author: Schruben, Paul G. Author King, Philip B. Remove constraint Author: King, Philip B. Subject Facies (Geology) Remove constraint Subject: Facies (Geology) Place Massachusetts Remove constraint Place: Massachusetts Place United States Remove constraint Place: United States Place Colorado Remove constraint Place: Colorado Year 2005 Remove constraint Year: 2005
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.).