Sediment chutes extending down the canyon wall. In other areas where they arenot as deeply inscribed in the canyon wall, it has been suggested that thewhite trails such as seen in the left center were perhaps caused by monofilamentlonglines scraping
4/9/2019 2:26:04 PM
Date: 20130717T191206Z
Credit: NOAA OKEANOS Explorer Program , 2013 Northeast U. S. Canyons Expedition
Location: Alvin Canyon, west wall 926-863m