Chicago landmarks
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Marker letters key the /atlas.txt grid.
TEXT W Willis Tower (skyline)
TEXT B Cloud Gate (The Bean) (park)
TEXT A Art Institute (museum)
TEXT K Buckingham Fountain (park)
TEXT N Navy Pier (landmark)
TEXT S Soldier Field (sport)
TEXT F Field Museum (museum)
TEXT M McCormick Place (landmark)
TEXT U United Center (sport)
TEXT R Wrigley Field (sport)
TEXT G Guaranteed Rate Field (sport)
TEXT L Lincoln Park Zoo (park)
TEXT D Midway (MDW) (transit_hub)
TEXT O O'Hare (ORD) (transit_hub)