1909. Sanborn Map Company. Royers Ford, Montgomery Co., Pennsylvania, May 1909 : and Spring City, Chester Co., Pa. 1 map on 12 sheets : col. ; sheets 65 x 54 cm. Scale appro... Sanborn Map Company.
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1921. Sanborn Map Company. Royersford, Montgomery County, and Spring City, Chester County, Pennsylvania, Dec. 1921. 1 map on 19 sheets : col. ; sheets 65 x 54 cm. Scale appr... Sanborn Map Company.
1928. Sanborn Map Company. Royersford, including part of Upper Providence Township, Montgomery County, and Spring City, including part of East Vincent Township, Chester Count... 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.