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You searched for: Provider University of Maryland Remove constraint Provider: University of Maryland Time Period 1950-1999 Remove constraint Time Period: 1950-1999

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1.

Advisory Neighborhood Commission from 1990: Washington, D.C. University Of Maryland university-of-maryland

1990. D.C. Office of the Chief Technology Officer. Advisory Neighborhood Commission (ANC) polygons. This dataset contains polygons representing ANC boundaries in 1990, created as part of the DC Geog...

3.

Alleys: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Alley centerlines captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washin...

4.

Archived Land Use Land Cover: Maryland [1973] University Of Maryland university-of-maryland

1973. MDP. This layer contains land use land cover information for the year 1973. The Land Use & Cover map and data is used to show development trends on the ...

5.

Archived Submerged Aquatic Vegetation 1984: Maryland University Of Maryland university-of-maryland

1984. DNR. The Chesapeake Bay SAV Coverage was mapped from 1:24,000 black and white aerial photography to access water quality in the Bay. Each area of SAV wa...

6.

Archived Submerged Aquatic Vegetation 1985: Maryland University Of Maryland university-of-maryland

1985. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

7.

Archived Submerged Aquatic Vegetation 1986: Maryland University Of Maryland university-of-maryland

1986. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

8.

Archived Submerged Aquatic Vegetation 1987: Maryland University Of Maryland university-of-maryland

1987. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

9.

Archived Submerged Aquatic Vegetation 1989: Maryland University Of Maryland university-of-maryland

1989. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

10.

Archived Submerged Aquatic Vegetation 1990: Maryland University Of Maryland university-of-maryland

1990. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

11.

Archived Submerged Aquatic Vegetation 1991: Maryland University Of Maryland university-of-maryland

1991. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

12.

Archived Submerged Aquatic Vegetation 1992: Maryland University Of Maryland university-of-maryland

1992. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

13.

Archived Submerged Aquatic Vegetation 1993: Maryland University Of Maryland university-of-maryland

1993. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

14.

Archived Submerged Aquatic Vegetation 1994: Maryland University Of Maryland university-of-maryland

1994. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

15.

Archived Submerged Aquatic Vegetation 1995: Maryland University Of Maryland university-of-maryland

1995. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

16.

Archived Submerged Aquatic Vegetation 1996: Maryland University Of Maryland university-of-maryland

1996. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

17.

Archived Submerged Aquatic Vegetation 1997: Maryland University Of Maryland university-of-maryland

1997. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

18.

Archived Submerged Aquatic Vegetation 1998: Maryland University Of Maryland university-of-maryland

1998. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

19.

Archived Submerged Aquatic Vegetation 1999: Maryland University Of Maryland university-of-maryland

1999. DNR. The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpr...

20.

Baist Index (1959): Washington, D.C. University Of Maryland university-of-maryland

1959. DC Office of Planning. The Baist Index provides a mapping index that mirrors the hardcopy index in the original Baist Map Volumes. The Index was hand digitized from the o...

21.

Bridge and Tunnel Entrances: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Bridges, overpasses, tunnel entrances, and underpasses captured in 1999. This dataset was collected as part of the planimetric mapping project. Hid...

22.

Bridges and Tunnels: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Hidden bridges and tunnels captured in 1999. This is a new dataset that was not collected as part of the planimetric mapping project. It shows brid...

23.

Building Footprints: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Buildings captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washington DC ...

24.

Building Heights: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Rooftop elevation captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washin...

25.

Census Tracts By Population - 1990: Washington, D.C. University Of Maryland university-of-maryland

1990. D.C. Office of the Chief Technology Officer. Census Year 1990 Tract Polygons. This dataset contains polygon features, created as part of the DC Geographic Information System (DC GIS) for the D...

26.

Census Tracts: Washington, D.C., 1950 University Of Maryland university-of-maryland

1950. DC GIS. Census Year 1950 Census Tracts. The dataset contains polygons representing CY 1950 census tracts, created as part of the D.C. Geographic Informatio...

27.

Census Tracts: Washington, D.C., 1960 University Of Maryland university-of-maryland

1960. D.C. Office of the Chief Technology Officer. Census Year 1960 Census Tracts. The dataset contains polygons representing CY 1960 census tracts, created as part of the D.C. Geographic Informatio...

28.

Census Tracts: Washington, D.C., 1970 University Of Maryland university-of-maryland

1970. D.C. Office of the Chief Technology Officer. Census Year 1970 Census Tracts. The dataset contains polygons representing CY 1970 census tracts, created as part of the D.C. Geographic Informatio...

29.

Census Tracts: Washington, D.C., 1980 University Of Maryland university-of-maryland

1980. D.C. Office of the Chief Technology Officer. Census Year 1980 Census Tracts. The dataset contains polygons representing CY 1980 census tracts, created as part of the D.C. Geographic Informatio...

30.

Census Tracts: Washington, D.C., 1990 University Of Maryland university-of-maryland

1990. D.C. Office of the Chief Technology Officer. Census Year 1990 Tract Polygons. This dataset contains polygon features, created as part of the DC Geographic Information System (DC GIS) for the D...

31.

Commission of Fine Arts Boundaries: Washington D.C. University Of Maryland university-of-maryland

1997. D.C. Office of the Chief Technology Officer. Commission of Fine Arts Boundaries. Identifies the region of the District of Columbia wherein the Federal Commission on Fine Arts has jurisdiction....

33.

Curbs: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Curbs captured in 1999. This dataset was collected as part of the planimetric mapping project. Hidden features were added as enhancements to this d...

34.

Driveways: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Drive centerlines captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washin...

35.

Electrical Substations: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Electric sub stations captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Wa...

36.

Elevation Points: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Elevation captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washington DC ...

37.

Finfish - Yellow Perch Spawning Habitat: Maryland University Of Maryland university-of-maryland

1973. DNR. These datasets exist in raster and vector formats. The vector format was created from the SHA Shoreline file and graphic representations in the Lip...

38.

Fire Hydrants: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Fire Hydrants captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washington...

39.

Floodplains From 1985: Washington, D.C. University Of Maryland university-of-maryland

1985. Federal Emergency Management Agency. Floodplains from 1985. The FIRM is the basis for floodplain management, mitigation, and insurance activities for the National Flood Insurance Progr...

40.

Hidden Roads: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Hidden roads captured in 1999. This is a new dataset that was not collected as part of the planimetric mapping project. It was created to enhance e...

41.

Hidden Sidewalks: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Hidden sidewalks captured in 1999. This is a new dataset that was not collected as part of the planimetric mapping project. It was created to enhan...

44.

Metro Structures: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Metro buildings, stations, and bus shelters captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 3...

45.

Obscured Areas: Washington, D.C., 1999 University Of Maryland university-of-maryland

1999. D.C. Office of the Chief Technology Officer. Obscure Areas captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washington...

50.

Orthophotography: Baltimore County, Maryland [1995] Imagery imagery University Of Maryland university-of-maryland

1995. Baltimore County Government. Orthophotography for Baltimore County from March/April 1995. This is not a complete countywide dataset and only includes the eastern portion of Bal... Baltimore County, Maryland.