You searched for: Author Beikman, Helen M. Remove constraint Author: Beikman, Helen M. Author King, Philip B. Remove constraint Author: King, Philip B. Subject Impact craters Remove constraint Subject: Impact craters Institution Stanford Remove constraint Institution: Stanford Place Massachusetts Remove constraint Place: Massachusetts Place United States Remove constraint Place: United States Format Shapefile Remove constraint Format: Shapefile
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This point shapefile shows the locations of impact structures in the United States. An impact structure is a crater formed by the impact of a meteo... Geological Survey (U.S.).
2. 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.).