You searched for: Author Schruben, Paul G. Remove constraint Author: Schruben, Paul G. Author King, Philip B. Remove constraint Author: King, Philip B. Publisher Geological Survey (U.S.) Remove constraint Publisher: Geological Survey (U.S.) Access Public Remove constraint Access: Public Subject Shields (Geology) Remove constraint Subject: Shields (Geology) Place Massachusetts Remove constraint Place: Massachusetts Place Arizona Remove constraint Place: Arizona Place Arkansas Remove constraint Place: Arkansas Data type Polygon Remove constraint Data type: Polygon
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.).