1999. Bureau of Transportation Statistics, (comp.). The 106th Congressional District Boundaries data set contains geographic information for the political entities of the Congressional districts of t... Bureau of Transportation Statistics.
Search Results
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.
1995. Federal Highways Administration (FHWA). The Federal Aid Urbanized Area Boundaries database is a geographic database of Federal-aid boundaries for urban areas with a population greater tha... Bureau of Transportation Statistics.
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.
1998. Bureau of Transportation Statistics, (comp.). The United States Military Installations database contains the boundaries, location, and areal information for important military installations in ... Bureau of Transportation Statistics.
1911. CHGIS, Harvard Yenching Insitute. Polygons represent county boundaries in China for the year 1911.
The CHGIS will establish a database of historical administrative units, as well as... CHGIS, Harvard Yenching Institute.
1820. CHGIS, Harvard Yenching Insitute. Polygons represent prefecture boundaries in China for the year 1820.
The CHGIS will establish a database of historical administrative units, as wel... CHGIS, Harvard Yenching Institute.
1911. CHGIS, Harvard Yenching Insitute. Polygons represent prefecture boundaries in China for the year 1911.
The CHGIS will establish a database of historical administrative units, as wel... CHGIS, Harvard Yenching Institute.
1820. CHGIS, Harvard Yenching Insitute. Polygons represent provincial boundaries in China for the year 1820.
The CHGIS will establish a database of historical administrative units, as wel... CHGIS, Harvard Yenching Institute.
1911. CHGIS, Harvard Yenching Insitute. Polygons represent prefecture boundaries in China for the year 1911.
The CHGIS will establish a database of historical administrative units, as wel... CHGIS, Harvard Yenching Institute.
1820. CHGIS, Harvard Yenching Insitute. Polygons represent the counties in the Taihu region of China, (ten prefectures around Taihu Lake,) for the year 1820.
The CHGIS will establish a da... CHGIS, Harvard Yenching Institute.
1. CHGIS, Harvard Yenching Insitute. This datalayer contains polygon features which represent the boundaries of the Songjiang area of China.
Songjiang is the name of the Prefecture whi... CHGIS, Harvard Yenching Institute.
1820. CHGIS, Harvard Yenching Insitute. polygon features showing the province boundaries in China for the year 1820
1820 Data CHGIS V4 contains spatial data for the entire territory clai... CHGIS, Harvard Yenching Institute.
1. CHGIS, Harvard Yenching Insitute. polygon features showing a time series of prefecture boundaries in China for the period 222 BCE to 1911 CE
Time Series Data CHGIS V4 contains tim... CHGIS, Harvard Yenching Institute.
1. CHGIS, Harvard Yenching Insitute. polygon features showing a time series of province boundaries in China for the period 222 BCE to 1911 CE
Time Series Data CHGIS V4 contains time ... CHGIS, Harvard Yenching Institute.
1. CHGIS, Harvard Yenching Insitute. polygon features showing a time series of regime boundaries in China for the period 222 BCE to 1911 CE
Time Series Data CHGIS V4 contains time se... CHGIS, Harvard Yenching Institute.
2010. Cambridge (Mass.). Geographic Information Systems. This polygon layer contains the boundaries of the 80 block groups in the City of Cambridge for the 2010 US Census. Cambridge (Mass.). Geographic Information Systems.
2010. Cambridge (Mass.). Geographic Information Systems. This polygon layer contains the 886 census blocks that make up the City of Cambridge for the 2010 Census. Cambridge (Mass.). Geographic Information Systems.
2010. Cambridge (Mass.). Geographic Information Systems. This polygon layer contains the boundaries of the 30 census tracts that make up the City of Cambridge for the 2010 Census. Cambridge (Mass.). Geographic Information Systems.
2014. Cambridge (Mass.). Geographic Information Systems. This layer consists of one polygon representing the area and political boundary of the City of Cambridge. Cambridge (Mass.). Geographic Information Systems.
