The article has a few example details; the artist's map of Oregon is available to browse in fairly high resolution in his shop (press the small "enter full view

The article has a few example details; the artist's map of Oregon is available to browse in fairly high resolution in his shop (press the small "enter full view" button): http://www.imusgeographics.com/oregon-map http://www.imusgeographics.com/oregon-map