Search

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

Search Results

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...