Lac Mégantic or Lake Mégantic, a lake in Quebec near its border with Maine
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Lac-Mégantic derailment, a 2013 train derailment, fire and explosion in the town
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Lac-Mégantic, Quebec, a town on the shores of the lake, at the lake's outlet to the Chaudière River
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In July 2013 a Montreal, Maine and Atlantic Railway train carrying 74 cars of Bakken formation crude oil derailed and exploded in Lac Mégantic, Quebec; wiping out the center of the town and killing 47.
Lac-Mégantic's municipal library, assembled from over a hundred thousand donated books after fire destroyed the original library during 2013's Lac-Mégantic derailment, is named « La Médiathèque municipale Nelly-Arcan » in her honour.
After the derailment at Lac-Mégantic, Quebec, Canada of a Montreal, Maine and Atlantic Railway freight train on 6 July 2013 which left 47 people dead or missing, president Edward Burkhardt visited Lac-Mégantic on 10 July 2013, and was heckled by residents who were critical of his company's response to the incident.