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U.S. National Atlas Airports represents airports in the United States, Puerto Rico, and U.S. Virgin Islands with airport passenger enplanements of 25 passengers or more per year.
U.S. Census Block Groups represents the Census block groups of the United States in the 50 states, the District of Columbia, and Puerto Rico.
U.S. Geographic Names Information System Hospitals represents the Federal standard for geographic nomenclature and contains information about the proper names and locations of physical and cultural geographic features located throughout the United States and its Territories. The U.S. Geological Survey developed the Geographic Names Information System (GNIS) for the U.S. Board on Geographic Names, a Federal inter-agency body chartered by public law to maintain uniform feature name usage throughout the Government and to promulgate standard names to the public.
U.S. Cities represents locations for cities within the United States with populations greater than 10,000, all state capitals, and the national capital.
U.S. National Transportation Atlas Interstate Highways represents rural and urban interstate highways. U.S. National Transportation Atlas Interstate Highways is part of the National Highway Planning Network, published by the Federal Highway Administration as part of the National Transportation Atlas Databases for the United States.
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 tracts and/or census blocks that meet minimum population density requirements, along with adjacent territory containing non-residential urban land uses as well as territory with low population density included to link outlying densely settled territory with the densely settled core. To qualify as an urban area, the territory identified according to criteria must encompass at least 2,500 people, at least 1,500 of which reside outside institutional group quarters. The U.S. Census Bureau identifies two types of urban areas—Urbanized Areas (UA) of 50,000 or more people and Urban Clusters (UC) of at least 2,500 and less than 50,000 people. The U.S. Census Bureau delineates urban areas that represent densely developed territory, encompassing residential, commercial, and other non-residential urban land uses. In general, this territory consists of areas of high population density and urban land use resulting in a representation of the "urban footprint."
U.S. Lakes (Generalized) represents the major lakes within United States.
U.S. Counties (Generalized) represents the counties of the United States in the 50 states and the District of Columbia.
U.S. Counties (Generalized) represents the counties of the United States in the 50 states and the District of Columbia.
U.S. Census Block Groups represents the Census block groups of the United States in the 50 states, the District of Columbia, and Puerto Rico.
U.S. Counties (Generalized) represents the counties of the United States in the 50 states and the District of Columbia.
U.S. States (Generalized) represents the 50 states and the District of Columbia of the United States.