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The SS Grandcamp was a French-owned ship that was involved in a catastrophic industrial disaster in Texas City, Texas, on April 16–17, 1947. While preparing to load ammonium nitrate fertilizer, a fire broke out in the cargo area. The crew's attempt to extinguish the fire without water led to a massive explosion that was heard up to 150 miles away.1

This initial blast triggered a chain reaction of fires and explosions, including the nearby SS High Flyer and crude oil tankers. A 15-foot tidal wave also resulted from the explosion, causing further destruction and leaving many homeless. The disaster killed between 400 and 600 people and injured approximately 4,000. The Grandcamp's explosion is considered the spark that ignited the Texas City explosion of 1947.12

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