History: Before-and-after pictures of the Denny Hill regrade, Seattle, Washington, U.S. [1400x1084]

http://i.imgur.com/28XkNzw.jpg via /r/HistoryPorn http://www.reddit.com/r/HistoryPorn/comments/40u72q/beforeandafter_pictures_of_the_denny_hill_regrade/