United States of Rivers — Every waterway in the contiguous U.S. [3 pics]
Google engineer Nelson Minar just finished a personal project he worked on “for a few weeks” — mapping every river in the lower 48. If you want to get geeky about it, definitely check out his post about the project.
For us normal, not-so-smart folks, a few sample pics might suffice…
And here’s the huge, zoomable version.