1893. Sanborn Map Company. Scale ca. 1:600. 50 ft. to 1 in. Also shows factories, commercial occupancy of buildings, property boundaries and house and block numbers. Fire ins... Sanborn-Perris Map Co.
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1902. Sanborn Map Company. Scale ca. 1:600. 50 ft. to 1 in. Also shows factories, commercial occupancy of buildings, property boundaries and house and block numbers. Fire ins... Sanborn Map Company.
1897. Sanborn Map Company. Scale ca. 1:600. 50 ft. to 1 in. Also shows factories, commercial occupancy of buildings, property boundaries and house and block numbers. Fire ins... Sanborn-Perris Map Co.
1918. Sanborn Map Company. Scale ca. 1:600. Also shows factories, commercial occupancy of buildings, property boundaries and house and block numbers. Fire insurance map hand ... Sanborn Map Company.
1910. Sanborn Map Company. Scale ca. 1:600. Also shows factories, commercial occupancy of buildings, property boundaries and house and block numbers. Fire insurance map hand ... Sanborn Map Company.
1952. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1939 and 1941. Topography by plane-table surveys 195... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1905. Sanborn Map Company. Ambridge and Economy, Beaver County, Pennsylvania, Oct. 1905. 1 map on 10 sheets : col. ; sheets 65 x 54 cm. Statement of responsibility: Sanborn M... Sanborn Map Company.
1911. Sanborn Map Company. Insurance maps of Ambridge, Beaver County, Pennsylvania, Feb. 1911. 1 map on 15 sheets : col. ; 64 x 54 cm. Cadastral map. Title from sheet [1]. ... Sanborn Map Company.
1917. Sanborn Map Company. Insurance maps of Ambridge, Beaver County, Pennsylvania, Jan. 1917. 1 map on 14 maps : col. ; on sheets 64 x 54 cm.; Title from sheet [1]. Oriente... Sanborn Map Company.
1923. Sanborn Map Company. Ambridge, Beaver County, Pennsylvania. 1 map on 15 sheets : color ; on sheets 65 x 55 cm. Scale approximately 1:600. 50 ft. to an in. unless other... Sanborn Map Company.