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Start Over You searched for: Year 2001 Remove constraint Year: 2001 Resource Type Polygon data Remove constraint Resource Type: Polygon data Subject Mines and mineral resources Remove constraint Subject: Mines and mineral resources

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2001. United States. Minerals Management Service. This polygon shapefile shows the official protraction diagram (OPD) and leasing map boundaries for the United States, covering areas of the Outer C... Geological Survey (U.S.).