UrbanMapping has created one of the most ingenious maps that I have seen. Their Dynamap of Manhattan provides three different maps on a single surface - a street map, a subway map and a neighborhoods & landmarks map. The map that you see is determined by the angle of viewing.
Check out their flash deomnstrations at UrbanMapping's
Map of Manhattan
# posted by MapWatch @ Saturday, October 23, 2004
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The Pennsylvania Spatial Data Access site has an online collection of aerial photos that depict flooding from Tropical Storm Ivan.

Access photos from
Tropical Storm Ivan Flooding Photos
# posted by MapWatch @ Wednesday, October 20, 2004
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