1979. Map of land use and open space plan presented by the Delaware Valley Regional Planning Commission.
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1799. Map showing the states of Maryland and Delaware, 1799. 25.9 x 21.2 cm; 1 images; color. Anderson, John.
1830. Color map of the states Maryland, Delaware, and Virginia, 1830. Map includes New Jersey and most of New York. There is handwriting on both sides of... H. & F.J. Huntington (Firm).
1927. United States. Bureau of Public Roads. Base map from U.S. Geological Survey state map.; "Data corrected to Dec 31, 1927." 46 x 71 centimeters, on sheet 55 x 79 centimeters Scale 1:500,00... U.S. Geological Survey (Washington, D.C).
1770. Scale approximately 1:80,000; 1 map; 44 x 53 cm Pennsylvania--Maps--Early works to 1800.
1925. National Geographic Society (U.S.). Map Department. Relief shown by gradient tints and hachures.; Includes 3 inset maps.; Inset maps: Washington and vicinity -- Baltimore and vicinity --Wilmington an... National Geographic Society (Washington, D.C).
1939. United States. Department of the Interior. Map created from a United States Department of the Interior geological survey. Topography was surveyed by R. H. Runyan, 1939. Map consists mainly o...
1796. Map showing the states of Maryland and Delaware, with parts of Pennsylvania. 28 x 21.7 cm; 1 images; color. Denison, J.
1943. Index map of the survey of 1942 of the Delaware River from Philadelphia, PA to Bombay Hook, DE.
1935. Cable and pipeline areas denoted.
2014. Murphy, Brendan, Levinson, David M, and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by walking in the 53 largest (by population) metropolitan areas in...
2015. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by transit in 46 of the 50 largest (by population) metropolitan ar...
2018. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by transit in 46 of the 50 largest (by population) metropolitan ar...
2017. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by transit in 46 of the 50 largest (by population) metropolitan ar...
2016. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by transit in 46 of the 50 largest (by population) metropolitan ar...
2014. Owen, Andrew and Levinson, David M. This data was created as part of a study that examined the accessibility to jobs by transit in 46 of the 50 largest (by population) metropolitan ar...
2017. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by biking in the 50 largest (by population) metropolitan areas in ...
2018. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by auto in the 50 largest (by population) metropolitan areas in th...
1900. Mason, Charles, 1728-1786. Shows the northern part of the Mason and Dixon line.; Originally published with: A plan of the west line, or parallel of latitude, which is the bou... Maryland Historical Society (Baltimore, Md).
1846. Mitchell, S. Augustus (Samuel Augustus), 1792-1868. Relief shown by hachures. Prime meridian: Washington. Insets: Baltimore -- Steamboat routes. "Entered according to Act of Congress in the year 1... S.A. Mitchell (Philadelphia).