Animated Maps
Percent Change in Population Density, by County, for Washington and Oregon 1850 - 2000
Animation (Quicktime, 724 KB, 396 x 437)
Elise Bowditch © 2001
Tornado Touchdowns and Paths in the Continental USA, 1950 - 1995
Fast Animation (Quicktime, 4.8 MB, 698 x 469)
Slower Animation (Quicktime, 15.3 MB, 698 x 469)
Elise Bowditch © 2001
Party shifts in presidential elections 1976 - 2000, by County
Bowditch/McConnel © 2001