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RT @SedLogic@twitter.com

Devestating example of headward erosion around the town of Blessem, from @BezRegKoeln@twitter.com. I hope everyone is safe. It's clear from GoogleEarth that overbank flow from the Erft, dropping to the lower level of an open quarry, induced this headward erosion.

πŸ¦πŸ”—: twitter.com/SedLogic/status/14

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