You searched for: Author Bawiec, Walter J. Remove constraint Author: Bawiec, Walter J. Access Public Remove constraint Access: Public Subject Impact craters Remove constraint Subject: Impact craters Place Massachusetts Remove constraint Place: Massachusetts Place United States Remove constraint Place: United States Place Florida Remove constraint Place: Florida Place Louisiana Remove constraint Place: Louisiana Data type Line Remove constraint Data type: Line Format Shapefile Remove constraint Format: Shapefile Year 2005 Remove constraint Year: 2005
1. Outlines of Major Calderas and Impact Structures: Generalized Geologic Map of the Conterminous United States, 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. A caldera is a large, generally circular depre... Geological Survey (U.S.).