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• Organization: Department of the Interior
• Updated: 20210611 | Harvested: July 16, 2025 at 01:03 PM

https://pubs.usgs.gov/dds/dds-060/

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• Organization: Department of the Interior
• Updated: 20210524 | Harvested: July 16, 2025 at 01:12 PM

https://pubs.usgs.gov/dds/dds-060/

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• Organization: Department of the Interior
• Updated: 20210525 | Harvested: July 16, 2025 at 12:52 PM

This coverage includes arcs, polygons and polygon labels that describe Arctic portion of the U.S. Geological Survey defined geologic provinces of the World in 2000.

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• Organization: Department of the Interior
• Updated: 20210701 | Harvested: July 16, 2025 at 12:42 PM

The boundaries illustrated by these Assessment Units are the result of geologic studies conducted by the World Petroleum Resources Project, 2009-2011 (Project). The boundaries were used to assess...

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