1906. Sanborn Map Company. Insurance maps of Turtle Creek Valley, including Pitcairn, Wall, Wilmerding, Turtle Creek, and East Pittsburg, Pennsylvania, May 1906. 1 map on 23 ... Sanborn Map Company.
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1911. Sanborn Map Company. Insurance maps of Turtle Creek Valley, including Pitcairn, Wall, Wilmerding, Turtle Creek, and East Pittsburg, Allegheny County, Pennsylvania, May ... Sanborn Map Company.
1919. Sanborn Map Company. Turtle Creek Valley, including Pitcairn, Wall, Wilmerding, Turtle Creek, and East Pittsburg, Allegheny Co., Pennsylvania, March 1919. 1 map on 23 s... Sanborn Map Company.
1928. Sanborn Map Company. Turtle Creek Valley, including Chalfant, East Pittsburg, Turtle Creek, Wall, and Wilmerding, also parts of Wilkins, Patton and North Versailles Tow... Sanborn Map Company.
1884. Sanborn Map Company. Tyrone, Pa., July 1884. 1 map on 4 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1896. Sanborn Map Company. Tyrone, Blair Co., Pa., Aug. 1896. 1 map on 7 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1901. Sanborn Map Company. Tyrone, Blair Co., Pa., July 1901. 1 map on 8 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1906. Sanborn Map Company. Insurance maps of Tyrone, Blair Co., Pennsylvania, Nov. 1906. 1 map on 14 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to ... Sanborn Map Company.
1911. Sanborn Map Company. Insurance maps of Tyrone, Blair County, Pennsylvania, Oct. 1911. 1 map on 16 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. ... Sanborn Map Company.
1921. Sanborn Map Company. Insurance maps of Tyrone, Blair Co., Pennsylvania, Oct. 1921. 1 map on 24 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to ... Sanborn Map Company.