I'm trying to make a map based off of this cool map i saw of "US future megaregions" but it's really hard to figure out which city is what. Here's a link to the map: http://warlight.net/SinglePlayer?PreviewMap=28500
this is the map its based on:
http://www.planetizen.com/files/20090625-megaregions.jpg
How do i figure out territory names?

Edited 1/20/2014 14:54:20

Use Google maps. Look in rough location, II am causing these are major cities.

That or find a bigger copy of the image.