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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...
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      Index of Historic Airphotos Avaliable via MNDNR's WebserverThe 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...
