You searched for: Author Beikman, Helen M. Remove constraint Author: Beikman, Helen M. Place Massachusetts Remove constraint Place: Massachusetts Place United States Remove constraint Place: United States Place Arkansas Remove constraint Place: Arkansas Place Delaware Remove constraint Place: Delaware Format Shapefile Remove constraint Format: Shapefile Year 2005 Remove constraint Year: 2005
4. Generalized Glacial Limit Lines with Line Decorations: Geology of the Conterminous United States, 2005
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.).