Photo #22499 - Alberta's 'Frank Slide' In early morning of April 29th, 1903, most of the almost 600 residents of coal mining town of Frank were asleep. At the coal mine, the night shift was down in the mine and a few men were working on the surface in the mine buildings. at 4:10 a crashing thunderous roar filled the dark sleeping town and spilled out into the Crowsnest Pass. A wedge of limestone over 1 km wide, 425 meters long and 150 meters deep had broken from the crest of Turtle Mountain. It smashed apart as it slid down, breaking into boulders that both rolled and bounced down the side of the mountain and spreading across the valley. The Crowsnest Pass Highway

Alberta's 'Frank Slide'

In early morning of April 29th, 1903, most of the almost 600 residents of coal mining town of Frank were asleep. At the coal mine, the night shift was down in the mine and a few men were working on the surface in the mine buildings. at 4:10 a crashing thunderous roar filled the dark sleeping town and spilled out into the Crowsnest Pass. A wedge of limestone over 1 km wide, 425 meters long and 150 meters deep had broken from the crest of Turtle Mountain. It smashed apart as it slid down, breaking into boulders that both rolled and bounced down the side of the mountain and spreading across the valley.

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Alberta's 'Frank Slide'