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.
1065. Amagak: Greenland
1941. Projection: Polyconic Projection; Series: AMS C401 Greenland 1:500,000 Topographic Series. National Geospatial-Intelligence Agency.
1896. Sanborn Map Company. Ambler, Montgomery Co., Pa, June 1896. 1 map on 2 sheets : col. : on sheets 64 x 54 cm.; Publisher's title on sheet 1. Oriented with north sligh... Sanborn Map Company.
1902. Sanborn Map Company. Ambler, Montgomery County, Pennsylvania, May 1902. 1 map on 3 sheets : col. : on sheets 64 x 54 cm.; Publisher's title from sheet 1. Oriented wi... Sanborn Map Company.
1909. Sanborn Map Company. Ambler, Montgomery County, Pennsylvania, Jan. 1909. 1 map on 13 sheets : col. ; on sheets 64 x 54 cm.; Publisher's title from sheet 1. Oriented ... Sanborn Map Company.
1921. Sanborn Map Company. Ambler : including Fort Washington, Montgomery County, Pennsylvania, Dec. 1921. 1 map on 21 sheets : col. ; on sheets 65 x 55 cm. Publisher's title... Sanborn Map Company.
1070. Amboy, Ill., Jan. 1885
1885. Sanborn Map Company. Scale ca. 1:600. 50 ft. to 1 in. Also shows factories, commercial occupancy of buildings, property boundaries and house and block numbers. Fire ins... Sanborn Map & Publishing Co.