File Upload Bot (Magnus Manske) (1992), Public domain, via Wikimedia Commons
42° 21′ 49″ N 71° 4′ 8″ W
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195 ft
(59 m MSL)
navigation
43°
41° 28′ 47″ N 88° 3′ 30″ W
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650 ft
(198 m MSL)
navigation
308°
navigation
43°
42° 53′ 48″ N 71° 54′ 46″ W
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1.018 ft
(310 m MSL)
navigation
37°
43° 58′ 30″ N 74° 25′ 13″ W
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1.629 ft
(496 m MSL)
navigation
23°
42° 20′ 57″ N 71° 2′ 37″ W
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15 ft
(5 m MSL)
navigation
43°
25° 44′ 17″ N 77° 50′ 24″ W
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18 ft
(5 m MSL)
navigation
174°
navigation
334°
41° 50′ 53″ N 87° 38′ 54″ W
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582 ft
(177 m MSL)
navigation
311°
navigation
348°
25° 44′ 27″ N 80° 17′ 40″ W
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54 ft
(16 m MSL)
navigation
186°
US-3333
Chicago Police Marine Heliport
41° 53′ 14″ N 87° 36′ 35″ W
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584 ft
(178 m MSL)
navigation
312°
navigation
40°
40° 55′ 27″ N 88° 37′ 28″ W
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666 ft
(203 m MSL)
navigation
304°
42° 21′ 9″ N 71° 1′ 32″ W
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0 ft
(0 m MSL)
navigation
43°
navigation
305°
40° 29′ 47″ N 88° 59′ 26″ W
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810 ft
(247 m MSL)
navigation
300°
navigation
42°
42° 5′ 53″ N 70° 40′ 19″ W
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11 ft
(3 m MSL)
navigation
45°
40° 52′ 15″ N 88° 40′ 50″ W
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656 ft
(200 m MSL)
navigation
303°
navigation
305°