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The Guajataca dam ("Stay away or be swept away" (Grim advice,…
The Guajataca dam
"Stay away or be swept away"
Grim advice
People of Puerto Rico
US National Weather Service
Rio Guajataca
North-west of the country
90-year-old earthen dam
40 billion litres of water
Reservoir
Too full
40 centimetres of rain
Dam fails
Cause flash floods
Stop the dam bursting
Reservoir level
Draining water
Water pressure
Flow of water
High-volume pumps
Overflow
Dam swamped
Rainfall from Hurricane Maria
Large fissure.