Search for "Official Protraction Diagrams" - The top results (relevance sort) are listed below:
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NCSU Data Collection[ Hide ] Possible Related Terms:Boundaries, Congressional Districts, Continental Shelf, County Boundaries, Federal Land, Indian Lands, Minerals, Mines And Mineral Resources, National Atlas, North America Political Boundaries, Oil, Oil Facilities, Public Land Survey System (PLSS), State Boundaries, Time Zones, Wilderness, Wilderness Preservation System Areas Legacy denotes outdated data. A more recent version likely exists. Consider an "External Data Source" option linked above, or click the Collection link for updated source options.
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