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Field Names and Definitions:Field NameField AliasDefinitionSTATEFPState FIPS codeCurrent state Federal Information Processing Series (FIPS)COUNTYFPCounty FIPS codeCurrent county Federal Information Processing Series (FIPS)COUNTYNSCounty GNIS codeCurrent county Geographic Names Information System (GNIS)AFFGEOIDFactFinder IDAmerican FactFinder summary level code + geovariant code + \u201800US\u2019+ GEOIDGEOIDCounty IDCounty identifier; a concatenation of current state Federal Information Processing Series (FIPS) code and county FIPS codeNAMENameCurrent county nameLSADLegal DescriptionCurrent legal/statistical area description code for countyALANDLand Area (m²)Current land area (square meters)AWATERWater Area (m²)Current water area (square meters)Source Data:U.S. Census Bureau TIGER Database, Cartographic Boundary shapefiles \u2013counties (https://www.census.gov/geo/maps-data/data/cbf/cbf_counties.html), 2014Processing Steps/Dates:Bay state counties were extracted from the Census data file. 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