You searched for: Author King, Philip B. Remove constraint Author: King, Philip B. Author Beikman, Helen M. Remove constraint Author: Beikman, Helen M. Access Public Remove constraint Access: Public Subject Shields (Geology) Remove constraint Subject: Shields (Geology) Subject Folds (Geology) Remove constraint Subject: Folds (Geology) Place Nebraska Remove constraint Place: Nebraska Place Arkansas Remove constraint Place: Arkansas
1994. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This polygon shapefile shows the boundaries of geologic units within the United States. This layer is part of the Geologic Map of the United States... Geological Survey (U.S.).