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41. Aquaculture, Northeast United States, 2014

2013. SeaPlan. This polygon shapefile represents aquaculture regions in the northeastern United States. Aquaculture in the northeast region is a diverse, vibrant ... Northeast Ocean Data.

42. Marine Mammal Seasonal Management Areas, 2013

2013. Applied Science Associates. This polygon shapefile represents marine mammal management areas in the Northeastern United States. The Code of Federal Regulations designates area... Northeast Ocean Data.

43. Shellfish Management Areas, Northeastern United States, 2013

2013. Maine. Department of Marine Resources. This polygon shapefile represents shellfish growing and classification areas for states in the northeastern U.S. including Connecticut, Maine, Mass... Northeast Ocean Data.

44. LandScan 2013 Level 1 World Administrative Boundaries

2013. Oak Ridge National Laboratory. This raster dataset is a subdirectory containing the ArcGIS grid (world_admin1) of the countries/sub-countries. These are the standard Level 1 Admi... Oak Ridge National Laboratory.

45. LandScan 2013 World Area Grid

2013. Oak Ridge National Laboratory. This raster dataset contains areas of 30 second cells. The data table (VAT) contains the cell areas in the field: [Area]. The units are square kilo... Oak Ridge National Laboratory.

46. LandScan 2013 World Country Boundaries

2013. Oak Ridge National Laboratory. This raster dataset is a grid of world countries. These are the standard country boundaries. Also included is a DBF (countries.dbf) giving the coun... Oak Ridge National Laboratory.

47. Cities with Unincorporated Areas: Sacramento County, California, 2013

2013. Sacramento County GIS. This polygon shapefile depicts administrative boundaries of Cities over which the County of Sacramento, California holds authority: Citrus Heights,... Sacramento County GIS.

48. ZIP Code Boundaries, United States (Q3 2013)

2013. TTG, Inc. This polygon shapefile contains zip code boundaries for the United States. Data are valid from July to September, 2013. Attributes included in the ... TTG, Inc.

49. ZIP Code Boundaries, United States (Q4 2013)

2013. TTG, Inc. This polygon shapefile contains zip code boundaries for the United States. Data are valid from October to December, 2013. Attributes included in th... TTG, Inc.

50. Congressional Districts: United States and Territories, 2013-2015

2013. United States. Bureau of Transportation Statistics and Rawson, Peg. This polygon shapefile contains United States congressional district boundaries for 2013-2015. Congressional Districts are the 435 areas from which... United States. Bureau of Transportation Statistics.