The Seattle Times

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ALAN BERNER / THE SEATTLE TIMES, 2011
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Wednesday, June 18, 2014

Quake concerns loom over city’s 4 underground reservoirs

The then-new underground Maple Leaf Reservoir in Seattle was open for guided tours on this day in 2011. It is one of four underground reservoirs in the city that may need retrofit work to prepare them for a catastrophic earthquake.