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Minnesota Historical Aerial Photographs Online (MHAPO)
The points in this dataset represent the approximate geographic location of the centroids for scanned, non-georeferenced air photos that were captured between 1923 and 2007 and... -
Index of Historic Airphotos Avaliable via MNDNR's Webserver
The points in this dataset represent the approximate geographic location of the centroids for scanned, non-georeferenced air photos that were captured between 1930 and 2000 and...
您也可以使用API (應用程式介面) (see API 文件)註冊。