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31. Census Tracts, 1990 - Delaware

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1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays Census Tracts for the state of Delaware, 1990. Census tracts are small, relatively permanent statistical subdivisions of a ... U.S. Department of Commerce, Bureau of the Census, Geography Division.

32. Delaware ZIP Code Areas

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1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Delaware ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a... Environmental Systems Research Institute, Inc. (ESRI).

34. Q3 flood data, Delaware

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1996. Federal Emergency Management Agency. Q3 flood data for Delaware, 1996. The Q3 Flood Data are derived from the Flood Insurance Rate Maps (FIRMs) published by the Federal Emergency Manag... Federal Emergency Management Agency.

35. Delaware Tax Pacels, 2017

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2017. Boundary Solutions, Inc. and Boundary Solutions, Inc. Delaware Tax Pacels, 2017 is a polygon theme representing tax parcels and lots in various Delaware counties from the year 2006-2012. The counties i... Boundary Solutions, Inc.

36. Delaware - Maryland: Harrington Quadrangle

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1918. United States. Geological Survey. U.S.G.S. Alternate title: Harrington. Relief shown by 10 feet contour interval and spot heights. Surveyed in 1917... [Washington, D.C.] : U.S. Geological Survey, 1918.

37. Delaware - Maryland: Harrington Quadrangle

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1918. United States. Geological Survey. U.S.G.S. Alternate title: Harrington, Del.-MD. Polyconic projection. Relief shown by 10 feet contour interval and... [Washington, D.C.] : U.S. Geological Survey, 1918.

38. Delaware - Maryland: Seaford Quadrangle

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1915. United States. Geological Survey. U.S.G.S. Alternate title: Seaford, Del.-MD. Polyconic projection. Relief shown by 10 feet contour interval and sp... [Washington, D.C.] : U.S. Geological Survey, 1915.

39. Delaware - Maryland: Seaford Quadrangle

Image Princeton University Public content
1915. United States. Geological Survey. U.S.G.S. Alternate title: Seaford. Relief shown by 10 feet contour interval and spot heights. Surveyed in 1902 an... [Washington, D.C.] : U.S. Geological Survey, 1915.

40. Delaware - Maryland: Wyoming Quadrangle

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1931. United States. Geological Survey. U.S.G.S. Alternate title: Wyoming, Del.-MD. Polyconic projection. Relief shown by 10 feet contour interval and sp... [Reston, Va.] : U.S. Geological Survey, 1931.