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1. Puerto Rico Administrative Boundaries Level 1, 2006

2006. ESRI. Puerto Rico Administrative Boundaries Level 1 is a polygon theme representing the boundaries for the first-level administrative units of Puerto Rico. ESRI.

2. United States Airports, 2010

2010. Tele Atlas North America, Inc. and ESRI. United States Airports is a polygon theme representing airport grounds and airport runways within the United States. All airports have a boundary, ... ESRI.