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[36] - National Geographic Atlas of the World: National Geographic Society, Washington, D.C., 1970 (and other editions).
Updated
Jan 17, 2020 10:17 AM
The boundaries shown on the maps above are approximate and are intended
only to portray the locations of named features and their rough extents.
Changes in the control network drop down are not reflected automatically on the map.
You may wish to select a different layer on the map to match the control network
for the geometry you are viewing.