You searched for: Author Schruben, Paul G. Remove constraint Author: Schruben, Paul G. Author Beikman, Helen M. Remove constraint Author: Beikman, Helen M. Author King, Philip B. Remove constraint Author: King, Philip B. Subject Shields (Geology) Remove constraint Subject: Shields (Geology) Place Georgia Remove constraint Place: Georgia Place Delaware Remove constraint Place: Delaware
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile shows the outlines of geologic units within the United States. This layer is part of the Geologic Map of the United States, ori... Geological Survey (U.S.).