"I walked all the way around Portland, along the invisible line called the Urban Growth Boundary."
City Limits: Walking Portland's Boundary by David Oates (published by the Oregon State University Press).
I like to walk. I live in Portland. I'm intrigued by the idea of walking the whole way around the city's raggedy boundary. For non-Oregonians, the idea of an "Urban Growth Boundary" may seem wacky, but we've got one. And I'm about to experience all of it -- at least second hand.