| Term: | Riegel |
| Definition: |
(from the German) A rock barrier that extends across a glaciated valley, usually comprising harder rock than above and below, and commonly having a smooth up-valley facing slope and a rough down-valley facing slope. Swisseduc
GCW |
| Term: | Riegel |
| Definition: | (from the German) A rock barrier that extends across a glaciated valley, usually comprising harder rock than above and below, and commonly having a smooth up-valley facing slope and a rough down-valley facing slope. |