Photo of rocky ground surface with glacial striations (parallel groves) and glacial polish.
Figure 15. Glacial striations and glacial polish at English Camp. The striations form parallel to the movement of the glacier (arrows).
Permission must be secured from the individual copyright owners to reproduce any copyrighted materials contained within this website. Digital assets without any copyright restrictions are public domain.
National Park Service photograph courtesy of Marsha Davis (NPS Pacific West Regional Office).