1895. Sanborn Map Company. Oakmont, Allegheny Co., Pa., May 1895. 1 map on 2 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
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1900. Sanborn Map Company. Oakmont, Allegheny Co., Pa., Feb'y. 1900. 1 map on 6 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1905. Sanborn Map Company. Oakmont, Allegheny Co., Pennsylvania, November 1905. 1 map on 7 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1911. Sanborn Map Company. Oakmont, Allegheny County, Pennsylvania, July 1911. 1 map on 9 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1921. Sanborn Map Company. Oakmont, Allegheny County, Pennsylvania, July 1921. 1 map on 14 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1929. Sanborn Map Company. Oakmont, Allegheny County, Pennsylvania, October 1929. 1 map on 16 sheets : color ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1916. Pennsylvania. Bureau of Topographic and Geologic Survey. "Richard R. Hice, State Geologist."; Contour interval 100 feet.; Originally published as part of Oil and gas map of southwestern Pennsylvania, 1915... The Survey (Pennsylvania).
1886. Sanborn Map Company. Oil City, Pennsylvania, Feb'y 1886. 1 map on 5 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1891. Sanborn Map Company. Oil City, Venango Co., Pennsylvania, June 1891. 1 map on 13 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1895. Sanborn Map Company. Insurance maps of Oil City, Venango County, Pennsylvania, April 1895. 1 map on 19 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50... Sanborn Map Company.