UN Advocates for New World Map Projection

On the tradeoffs between different types of map distortion.

Lake Ontario Gets a New Name

A new Executive Order by the Trump administration officially changes the name of Lake Ontario to Lake America.

Modernized National Spatial Reference System Getting Closer to Implementation

Rollout of the new reference system will likely occur in mid-2027.

SCO Provides GIS Training to Youth Groups

This summer, the State Cartographer’s Office hosted GIS workshops for several youth employment groups.

The SCO Has Moved

We’ve moved to our new location in the old Computer Sciences building.

The SCO Is Moving!

On June 8, we’re moving to the old Computer Sciences Building at 1210 W. Dayton St. on the UW-Madison campus.

Areal Interpolation, Dasymetric Mapping, Geostatistical Wizardry and Plithyphylacticity

Evaluating the quality of different methods for reallocating census tract population.

Which Way Is East? A Reader Provides Another Solution

There are several different ways to solve the reader challenge. Here’s one.

Introduction to Geographic Information Systems Workshop, April 16, 2026

The workshop will be held in Room 231, Memorial Library.

Where is the Wisconsin Boundary?

Where is the Wisconsin boundary, exactly, and why is it there?