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.
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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.
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.
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.
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.