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1. Alternative Fuels: United States, 2013

2013. Hudgins, Andrew and United States. Bureau of Transportation Statistics. This point shapefile depicts fueling facilities that offer fuels other than gasoline in the United States. Through a nationwide network of local co... United States. Bureau of Transportation Statistics.

2. 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).

3. 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).

4. Major Ports: Puerto Rico and United States, 2013

2013. Waterborne Commerce Statistics Center (U.S.) and United States. Bureau of Transportation Statisticsf. This point shapefile depicts ports politically defined by port limits or USACE projects, excluding non-USACE projects not authorized for publicatio... United States. Bureau of Transportation Statistics.

5. Passenger Railways Connectivity: United States, 2013

2013. Firestine, Theresa. Over 55 percent of the approximately 7,100 passenger transportation terminals in the United States offer travelers the ability to connect among the... United States. Bureau of Transportation Statistics.

6. Rail Transit Stations: United States and Territories, 2013

2013. United States. Bureau of Transportation Statistics and United States. Federal Transit Administration. This point shapefile depicts railway stations within the Fixed-Guideway Transit Network, a network database of the nation's fixed-guideway transit ... United States. Bureau of Transportation Statistics.

7. 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.).

8. 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.

9. Waterway Locks: United States, 2013

2013. Institute for Water Resources (U.S.). Navigation Data Center. This point shapefile contains the locations of waterways locks in the United States. The Navigation Data Center had several objectives in developin... United States. Bureau of Transportation Statistics.

10. ZIP Code Points, United States (Q3 2013)

2013. TTG, Inc. This point shapefile contains point locations for zip codes in United States from July until September, 2013. Attributes included in the data are p... TTG, Inc.