1977. Aerial photographic map of Riverton - Frankford in accordance with The Wetlands Act of 1970.
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1929. Pennsylvania. Public Service Commission. Insets: Pittsburgh and vicinity. Scale 1:190 080 ; Philadelphia and vicinity. Scale 1:190 080.; Includes color-keyed index to steam railroads and i... The Commission (Harrisburg, Pa).
1885. Sanborn Map Company. Steelton, Pa., Oct. 1884. 1 map on 6 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1890. Sanborn Map Company. Steelton, Dauphin Co., Pennsylvania, Aug. 1890. 1 map on 10 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1897. Sanborn Map Company. Insurance maps of Steelton, Dauphin County, Pennsylvania, Dec. 1896. 1 map on 12 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ... Sanborn Map Company.
1902. Sanborn Map Company. Insurance maps of Steelton, Dauphin Co., Pennsylvania, Sept. 1902. 1 map on 15 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft... Sanborn Map Company.
1909. Sanborn Map Company. Insurance maps of Steelton, Dauphin County, Pennsylvania, July 1909. 1 map on 22 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ... Sanborn Map Company.
1915. Sanborn Map Company. Insurance maps of Steelton, Dauphin Co., Pennsylvania, Aug. 1915. 1 map on 20 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft.... Sanborn Map Company.
1928. Sanborn Map Company. Steelton, Dauphin County, Pennsylvania, June 1928 : including Highspire, Enhaut, Bressler & Oberlin. 1 map on 20 sheets : color ; sheets 65 x 54 cm... Sanborn Map Company.
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.