1998. Bureau of Transportation Statistics. The Bureau of Economic Analysis (BEA)database is a Geographic polygon dataset representing county based economic regions for the United States. Bureau of Transportation Statistics.
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1995. CountryWatch.com INC., Environmental Systems Research Institute (Redlands, Calif.), and Harvard Geospatial Library. This polygon layer joins the CountryWatch Demographics attribute table to the ESRI Data & Maps 2003 : World Countries 2002 datalayer, to enable spa... ESRI.
2000. CountryWatch.com INC., Environmental Systems Research Institute (Redlands, Calif.), and Harvard Geospatial Library. This polygon layer joins the CountryWatch Demographics attribute table to the ESRI Data & Maps 2004 : World Countries 2004 datalayer, to enable spa... ESRI.
2009. Center for Geographic Analysis, Harvard University. Global oil pipeline locations. Harvard Map Collection, Harvard College Library.
1995. Bureau of Transportation Statistics, (comp.). National Transportation Analysis Regions (NTAR) divide the U.S. into 89 areas that delineate the functional geography transportation demand. Bureau of Transportation Statistics.
1900. Harvard Map Collection, Harvard College Library and Autolit. de Kelch. This layer is a georeferenced raster image of the historic paper map entitled: Carte de la Sibérie: contenant l'indication des travaux exécutés ... Harvard Map Collection, Harvard Library.
1995. MaconUSA (Firm). This dataset is a polygon layer providing county-level boundary and total number of business establishments by Standard Industrial Classification (... MaconUSA.
1995. MaconUSA (Firm). This dataset is a polygon layer providing county-level boundary and total number of employees by Standard Industrial Classification (SIC) code data... MaconUSA.
1995. MaconUSA (Firm). This dataset is a polygon layer providing county-level boundary and total payroll (in dollars) by Standard Industrial Classification (SIC) code dat... MaconUSA.
1995. MaconUSA (Firm). This dataset is a polygon layer providing county-level boundary and demographic statistical data for the United States, 1995. The demographic data ... MaconUSA.