File:Glacial overflow channel - geograph.org.uk - 421216.jpg
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Glacial_overflow_channel_-_geograph.org.uk_-_421216.jpg (640 × 480 pixels, file size: 134 KB, MIME type: image/jpeg)
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Summary
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| Description |
English: Glacial overflow channel Just west of the village of Bwlch, the modern A40 crosses this depression on a 5m high embankment. It was at this point that glacial Llangorse Lake/Llyn Syfaddan overflowed into the Usk catchment. It currently empties into the Wye via the Afon Llynfi but that northerly exit was blocked towards the end of the last Ice Age and the dammed waters found an outlet (at a height of 190m) to the south instead. |
| Date | |
| Source | From geograph.org.uk |
| Author | Alan Bowring |
| Attribution (required by the license) | Alan Bowring / Glacial overflow channel / |
| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
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_heading:45.00&language=en){kind=link}
| Object location | | View this and other nearby images on: OpenStreetMap | |
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_heading:45.00&language=en){kind=link}
Licensing
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This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Alan Bowring and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Attribution: Alan Bowring
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:31, 4 February 2011 | | 640 × 480 (134 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Glacial overflow channel Just west of the village of Bwlch, the modern A40 crosses this depression on a 5m high embankment. It was at this point that glacial Llangorse Lake/Llyn Syfaddan overflowed |
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