University of California
Us Geological Survey: Cartogram Central
The USGS offers detailed information on Types of Cartograms, Congressional Districts, Software for Cartograms, Publications, and a Carto-Gallery.
Science Education Resource Center at Carleton College
Serc: Seeing the Forest for the Trees: What's in Your Woods?
In this learning module, students will look at the state of forest biodiversity in Maine, and what conditions lead to greater species diversity of trees. They will use geographic data from different regions of Maine to compare forest...