You Are Here: Maps 101
http://www.boxesandarrows.com/archives/you_are_here_maps_101.php

McCormack, Lee
Boxes and Arrows
2002

Abstract:

Maps are one of the most basic (and informative) infographics. The simple map. A rectangle with a few lines, some labels, and an X can impart what it would take hundreds of words to describe. Lee McCormack offers an insightful look into how to create a simple but informative infographic —the map.