https://github.com/davepinch/pinchy.cc/blob/master/content/topics/places/seas/black-sea/clockwise-around-the-black-sea.md
Possible Wave Cut Slope on Marrowstone (washingtonlandscape.blogspot.com) Much of the shoreline bluffs on Marrowstone Island are very abrupt, with a steep vertical drop due to the hard glacial till that can stand for decades as vertical cliffs.