Maps Over Time Tutorial
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Click here to start Maps Over Time...
Introduction
Three Map Layers
Top Layer
Middle Layer
Bottom Layer
Turn Layer On/Off
Using Transparency
Solid View
50% View
Outline View
Centering & Zooming
Click and Drag Zoom
Street Adresses
Dissolve
Suggested Maps
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Introduction
Maps Over Time is an Internet-based system that lets
you explore the transformation of Boston (and other
cities) by overlaying old, new and future maps.
1775
1826
1995