2010. United States. Office of Ocean and Coastal Resource Management, National Marine Protected Areas Center (U.S.), United States. Department of Commerce, and United States. National Oceanic and Atmospheric Administration. This polygon shapefile represents the Marine Protected Areas inventory as of March 2010. The MPA Inventory is a comprehensive geospatial database t... National Marine Protected Areas Center (U.S.).
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2014. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), Office Of National Marine Sanctuaries (ONMS), National Marine Protected Areas Center (MPAC), United States. Office of Ocean and Coastal Resource Management, United States. National Oceanic and Atmospheric Administration, and National Marine Protected Areas Center (U.S.). This polygon shapefile represents the Marine Protected Areas inventory as of October 2014. The MPA Inventory is a comprehensive catalog that provid... National Marine Protected Areas Center (U.S.).
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 394 authorized Park Service units in the United States only that are over 100,000 acres. The data does not include a... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 394 authorized Park Service units in the United States only with scale rankings that are over 100,000 acres. Scale r... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts 394 authorized Park Service units in the United States only that are over 100,000 acres. The data does not include ... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts the locations of 394 authorized Park Service units in the United States only that are over 100,000 acres. The data doe... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts all countries having 10m admin-1 with scale ranks 1 or less. States depicted include internal, first-order administr... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts internal, first-order administrative boundaries and polygons with large lakes for all but a few tiny countries. All ... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shape file depicts internal, first-order administrative boundaries and polygons for states of the United States. All countries havin... North American Cartographic Information Society.
This collection of shapefiles contains information on international boundaries and other data related to the work of the U.S. State Department. The... Humanitarian Information Unit.