First-Year Ridge 1 : A linear ice feature created by motion interference between two ice sheets; usually, a result of higher ice movement rates than for the formation of rafted ice. (Bul 2N)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}