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271. United States Mortality Database 1988-1992
1988. U.S. Geological Survey. This map layer contains mortality information for United States Health Service Areas (805 groups of counties). Included are mortality rates by sex... U.S. Geological Survey.
272. United States Populated Places, 2013
2011. United States. Bureau of Transportation Statistics. This data set includes cities in the United States, Puerto Rico and the U.S. Virgin Islands. These cities were collected from the 1970 National Atl... U.S. Geological Survey.
273. Urban Areas of the United States, 2001
2001. Geological Survey (U.S.). This data set includes a selection of urban areas in the United States derived from the urban areas layer of the Digital Chart of the World (DCW). ... Geological Survey (U.S.).
274. Volcanoes: United States, 2004
2004. National Atlas of the United States. This point shapefile includes Holocene volcanoes, which are those thought to be active in the last 10,000 years, that are within an extended area o... National Atlas of the United States.
275. Walker County, Alabama land parcels, 2014
2014. Boundary Solutions, Inc. Land parcels in Walker County, Alabama, 2014.
276. Walker County, Alabama roads, 2014
2014. U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Geographic Products Branch. Roads and highways in Walker County, Alabama, 2014. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geograph...
277. Wildland Fires, USA, 1937 to 2017
1937. Wildland Fires documented by the National Park service between 1937 and 2017. National Park Service.