1909. Sanborn Map Company. Scale 1:600. 50 ft. to 1 in. Sheet 1 includes symbol key, index, and index map. Partial cadastral map. Fire insurance map hand colored to show buil... Sanborn Map Company.
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1921. Sanborn Map Company. Scale ca. 1:600. Sheet 1 includes symbol key, index, and location and index maps. Partial cadstral map. Fire insurance map hand colored to show bui... Sanborn Map Company.
1906. Sanborn Map Company. Scale 1:600. 50 ft. to 1 in. Sheet 1 includes symbol key, index, and index map. Partial cadastral map. Fire insurance map hand colored to show buil... Sanborn Map Company.
1916. Sanborn Map Company. Scale ca. 1:600. Sheet 1 includes symbol key, index, and location and index maps. Partial cadastral map. Fire insurance map hand colored to show bu... Sanborn Map Company.
1906. Sanborn Map Company. Natrona, Allegheny Co., Pennsylvania, October 1906. 1 map on 6 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1912. Sanborn Map Company. Natrona, Allegheny County, Pennsylvania, September 1912. 1 map on 10 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1921. Sanborn Map Company. Natrona, Allegheny County, Pennsylvania, December 1921. 1 map on 15 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1929. Sanborn Map Company. Natrona, Allegheny County, Pennsylvania, October 1929. 1 map on 18 sheets : color ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in.... Sanborn Map Company.
1912. Sanborn Map Company. Scale 1:600. Sheet 1 includes symbol key, index, and index map. Partial cadastral map. Fire insurance map hand colored to show building constructio... Sanborn Map Company.
1897. Sanborn Map Company. Nazareth, Pa., Northampton Co., June 1897. 1 map on 2 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.