A Connecticut study conducted in the late 1990s at the Old New-Gate Prison in East Granby -- a former copper mine , where years later ingenious Yankees locked up British soldiers during the Revolutionary War -- found elevated traces of radon in the tunnels .
Connecticut /location/location/contains East Granby
DT NNP NN VBN IN DT JJ NNS IN DT NNP NNP NNP IN NNP NNP : DT JJ NN NN , WRB NNS RB JJ NNPS VBN IN JJ NNS IN DT NNP NNP : VBD JJ NNS IN NN IN DT NNS .
Connecticut
ORGANIZATION
East Granby
LOCATION
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