Liberal Dictionary English Dictionary
noun
- a structure built in a river upstream from a bridge pier or the like for protection against drifting ice.
SwissEduc – Glaciers online – Photoglossary
SwissEduc – Glaciers online – Unterer Grindelwaldgletscher
SwissEduc – Glaciers online – Photoglossary
Eric & Lucie’s Bus Trip: Canadian Rockies Ice Climbs, Rainbow Serpent
Glaciers: Earth’s Rivers of Ice — Icebergs and Glaciers — Beyond