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Print version | Geoscape Calgary Virtual tours - Geology Stop 5 - Cochrane and Big Spring coulee
About 10 000 years ago, the valley of Big Hill Creek carried a lot more water than it does today. At that time, this spot was actually an old delta created as meltwater travelling through the valley entered Glacial Lake Calgary. This delta indicates the water level of the ancient glacial lake. Today's Big Hill Creek has cut through the edge of the delta before passing under Highway 1A. -Nathan Kneisel- Click on a dot to continue the tour:
Legend
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