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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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.
1891. Sanborn Map Company. California & Coal Centre, Washington Co., Pa., Nov. 1891. 2 maps on 2 sheets : col. ; sheets each 65 x 54 cm. Scale approximately 1:600. 50 ft. to... Sanborn Map Company.
1896. Sanborn Map Company. California & Coal Centre, Washington Co., Penna., Aug. 1896. 1 map on 3 sheets : col. ; sheets each 65 x 54 cm. Scale approximately 1:600. 50 ft. ... Sanborn Map Company.
1901. Sanborn Map Company. California and Coal Centre, Washington Co., Penn., June 1901. 1 map on 3 sheets : col. ; sheets each 65 x 54 cm. Scale approximately 1:600. 50 ft.... Sanborn Map Company.
1907. Sanborn Map Company. California, Washington Co., Pa., July 1907. 1 map on 11 sheets : col. ; sheets each 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. Sanborn Map Company.