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.
1902. Sanborn Map Company. Wayne-St. Davids, Delaware Co., Pennsylvania, June 1902. 1 map on 5 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:1,200. 100 ft. to an in. Sanborn Map Company.
1909. Sanborn Map Company. Wayne-St. Davids, Delaware Co., Pennsylvania, May 1909. 1 map on 10 sheets : col. ; sheets 65 x 54 cm. Scale approximately 1:1,200. 100 ft. to an in. Sanborn Map Company.
1914. Sanborn Map Company. Wayne-St. Davids, Delaware County, Pennsylvania, March 1914. 1 map on 10 sheets : col. ; sheets 65 x 54 cm. + 1 title sheet with indexes. Scale ap... Sanborn Map Company.
1954. United States. Army Map Service, Harvard University. Center for Geographic Analysis., and East View Cartographic, Inc. This layer is a georeferenced raster image of the Army Map Service (AMS) Series P502, North Africa, 1:250,000 AMS Series sheet map entitled: Wadi S... Harvard Map Collection, Harvard College Library.
2003. U.S. Bureau of Reclamation in coordination with the California Department of Water Resources. Private Water District boundaries are areas where private contracts provide water to the district in California. This database is designed as a reg... Sacramento (Calif.) U.s. Bureau Of Reclamation, Mid-pacific Region., California. California Department Of Water Resources.
1989. Agricultural and Forest Meteorology Group. Elora Research Station/Guelph Turfgrass Institute. The University of Guelph, School of Environmental Sciences, Agricultural and Forest Meteorology Group, in cooperation with Environment Canada, main... Scholars Portal Dataverse.
1989. Agricultural and Forest Meteorology Group. Elora Research Station/Guelph Turfgrass Institute. The University of Guelph, School of Environmental Sciences, Agricultural and Forest Meteorology Group, in cooperation with Environment Canada, main... Scholars Portal Dataverse.