Some features of this site are not compatible with your browser. Install Opera Mini to
better experience this site.
The associated press took a pair of our satellite images (Devils Lake, North Dakota) and made a nice little tool to interactively sweep between the pictures acquired in 1984 and 2009: Expanding North Dakota lake swallows land and buildings. I think it works quite a bit better than stacked images, or a simply flipping between the two with a mouse rollover or button press.