Headwall
Headwall and corrie lake Cwm Idwal
In physical geography and geology the headwall of a glacial cirque is its highest cliff.
In civil engineering, a headwall is a small retaining wall placed at the outlet of a stormwater pipe or culvert.[1]
In physical geography and geology the headwall of a glacial cirque is its highest cliff.
In civil engineering, a headwall is a small retaining wall placed at the outlet of a stormwater pipe or culvert.[1]