1933. Sanborn Map Company. Dravosburg, Allegheny County, Pennsylvania, March 1933. 1 map on 2 sheets : color ; sheets 65 x 54 cm. Scale approximately 1:1,200. 100 ft. to an in. Sanborn Map Company.
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1887. Sanborn Map Company. DuBois, Pa., Jan. 1887. 1 map on 6 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1891. Sanborn Map Company. DuBois, Clearfield Co., Pennsylvania, Aug. 1891. 1 map on 9 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1896. Sanborn Map Company. Insurance maps of DuBois, Clearfield Co., Pennsylvania, Aug. 1896. 1 map on 17 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft... Sanborn Map Company.
1901. Sanborn Map Company. Insurance maps of DuBois, Clearfield Co., Pennsylvania, September, 1901. 1 map on 20 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600.... Sanborn Map Company.
1906. Sanborn Map Company. Insurance maps of DuBois, Clearfield County, Pennsylvania, May, 1906. 1 map on 22 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50... Sanborn Map Company.
1913. Sanborn Map Company. Insurance maps of DuBois, Clearfield Co., Pennsylvania, April, 1913. 1 map on 34 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ... Sanborn Map Company.
1924. Sanborn Map Company. DuBois, including Eriton and part of Sandy Township, Clearfield County, Pennsylvania, Nov. 1924. 1 map on 41 sheets : color ; sheets 65 x 54 cm. S... 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.
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.