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Start Over You searched for: 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 Place Massachusetts Remove constraint Place: Massachusetts Place Arizona Remove constraint Place: Arizona Data type Polygon Remove constraint Data type: Polygon

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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.).