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1. Level III Ecoregions, Arizona, 2013

2013. US Environmental Protection Agency. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to... U.S. EPA Office of Research & Development (ORD) - National Health and Environmental Effects Research Laboratory (NHEERL).

2. Level IV Ecoregions, Arizona, 2013

2013. US Environmental Protection Agency. Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the typ... U.S. EPA Office of Research and Development (ORD) - National Health and Environmental Effects Research Laboratory (NHEERL).

3. Rextag GIS Zones, Q2 2012

2012. Hart Energy Publishing. This polygon shapefile contains the boundaries of GIS zones referenced in other energy-related datasets produced by Hart Energy Publishing (Rextag)... Hart Energy Publishing.

4. Rextag GIS Zones, Summer 2014

2014. Hart Energy Publishing. This polygon shapefile contains the boundaries of GIS zones referenced in other energy-related datasets produced by Hart Energy Publishing (Rextag)... Hart Energy Publishing.

5. United States Census Urbanized Areas, 2010

2013. U.S. Census Bureau. Geography Division and Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile represents the 2010 Census urban areas in the United States. An urban area comprises a densely settled core of census tracts... Environmental Systems Research Institute (Redlands, Calif.).

6. U.S. Census Urban Areas, 2013

2013. U.S. Department of Commerce, Census Bureau, Geography Division and Esri. U.S. Census Urban Areas represents the 2010 Census urban areas in the United States. An urban area comprises a densely settled core of census tract... Esri.

7. U.S. Census Urbanized Areas, 2013

2010. U.S. Department of Commerce, Census Bureau, Geography Division. U.S. Census Urbanized Areas represents the 2010 Census urban areas in the United States. An urban area comprises a densely settled core of census t...

8. U.S. Marine Protected Area Boundaries: MPA Inventory, 2010

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.).

9. U.S. Marine Protected Areas Boundaries: MPA Inventory, 2014

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.).

10. U.S. ZIP Code Areas (Five-Digit), 2018

2018. Esri and TomTom North America, Inc. U.S. ZIP Code Areas (Five-Digit) represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first d... Esri.

11. U.S. ZIP Code Areas (Three-Digit), 2018

2018. Esri and TomTom North America, Inc. U.S. ZIP Code Areas (Three-Digit) represents the first three digits of a ZIP Code. The first digit of a five-digit ZIP Code divides the United Stat... Esri.

12. ZIP Code Points, United States (Q3 2008)

2008. TTG, Inc. This point shapefile contains point locations for zip codes in United States from July until September, 2008. Attributes included in the data are p... TTG, Inc.