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Street Centerlines captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washington DC and the surrounding states of MD and VA.
Search relevance: 230.60 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:05 PM -
Census Year 1960 Census Tracts. The dataset contains polygons representing CY 1960 census tracts, created as part of the D.C. Geographic Information System (DC GIS) for the D.C. Office of the...
Search relevance: 54.27 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:08 PM -
Census Year 1950 Census Tracts. The dataset contains polygons representing CY 1950 census tracts, created as part of the D.C. Geographic Information System (DC GIS) for the D.C. Office of the...
Search relevance: 53.69 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:08 PM -
Census Year 1970 Census Tracts. The dataset contains polygons representing CY 1970 census tracts, created as part of the D.C. Geographic Information System (DC GIS) for the D.C. Office of the...
Search relevance: 53.40 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 07:08 PM -
Census Year 1980 Census Tracts. The dataset contains polygons representing CY 1980 census tracts, created as part of the D.C. Geographic Information System (DC GIS) for the D.C. Office of the...
Search relevance: 53.13 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:08 PM -
Census Year 1940 Census Tracts. The dataset contains polygons representing CY 1940 census tracts, created as part of the D.C. Geographic Information System (DC GIS) for the D.C. Office of the...
Search relevance: 53.13 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:08 PM -
Census Year 1930 Census Tracts. The dataset contains polygons representing CY 1930 census tracts, created as part of the D.C. Geographic Information System (DC GIS) for the D.C. Office of the...
Search relevance: 52.66 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 07:08 PM -
Census Year 1990 Tract Polygons. This dataset contains polygon features, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO)...
Search relevance: 52.64 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:08 PM
