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.
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1886. Sanborn Map Company. Hollidaysburg, Pennsylvania, January 1886. 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. Hollidaysburg, Blair Co. Penn., Oct. 1891. 1 map on 7 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1896. Sanborn Map Company. Hollidaysburg, Blair Co. Pa., July 1896. 1 map on 8 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1901. Sanborn Map Company. Hollidaysburg, Blair Co. Pa., Sep. 1901. 1 map on 9 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1906. Sanborn Map Company. Hollidaysburg, Blair County, Pa., October, 1906. 1 map on 13 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1911. Sanborn Map Company. Insurance maps of Hollidaysburg, including Gaysport and Duncansville, Blair County, Pennsylvania, Aug. 1911. 1 map on 19 sheets : col. ; sheets 65 ... Sanborn Map Company.
1927. Sanborn Map Company. Hollidaysburg, Blair County, Pennsylvania, July, 1927. 1 map on 16 sheets : color ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1910. Sanborn Map Company. Homer City, Indiana Co., Pennsylvania, January 1910. 1 map on 2 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.
1917. Sanborn Map Company. Homer City, Indiana County, Pennsylvania, November 1917. 1 map on 8 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in.... Sanborn Map Company.