Burlington, Rio Vista Ave, MP 59.8 on SR 20
Elevation: 50 ft
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Burlington, Avon Ave, MP 60.3 on SR 20
Elevation: 50 ft
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Sedro-Woolley, Hammer Heritage Square Clock Tower, on Metcalf St south of SR 20 at MP 65
Elevation: 100 ft
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Birdsview Weather Cam, looking south, at MP 82 on SR 20, 6 miles W of Concrete
Elevation: 150 ft
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Concrete Airport, MP 88 on SR 20, looking west
Elevation: 280 ft
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Concrete Airport, MP 88 on SR 20, looking north
Elevation: 280 ft
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Concrete Airport, MP 88 on SR 20, looking east
Elevation: 280 ft
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Concrete Airport, MP 88 on SR 20, looking south
Elevation: 280 ft
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