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...
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1934. United States. Works Progress Administration of Pennsylvania. Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps shown by contours and spot heights. WPA Project N... Works Progress Administration of Pennsylvania.
1934. United States. Works Progress Administration of Pennsylvania. Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps shown by contours and spot heights. WPA Project N... Works Progress Administration of Pennsylvania.
1934. United States. Works Progress Administration of Pennsylvania. Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps shown by contours and spot heights. WPA Project N... Works Progress Administration of Pennsylvania.
1934. United States. Works Progress Administration of Pennsylvania. Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps shown by contours and spot heights. WPA Project N... Works Progress Administration of Pennsylvania.
1934. United States. Works Progress Administration of Pennsylvania. Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps shown by contours and spot heights. WPA Project N... Works Progress Administration of Pennsylvania.
1911. Sanborn Map Company. Albion, Erie County, Pennsylvania : April 1911. 1 map on 4 sheets : col. ; on sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1885. Sanborn Map Company. Alburtis, Penna. : Mar. 1885. 1 map : col. ; sheet 64 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1912. Sanborn Map Company. Aliquippa, Beaver County, Pennsylvania : November 1912. 1 map on 3 sheets : col. ; on sheets 64 x 54 cm.; Title from publisher's label. Oriented w... Sanborn Map Company.
1925. Sanborn Map Company. Aliquippa, Beaver County, Pennsylvania. 1 map on 4 sheets : color ; on sheets 65 x 55 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.