Tom Wessels has a great chapter in Part 1 of his "Reading the Forested Landscape" video series about New England stonewalls. [0] A common myth is the walls were built over time due to the rocks being pushed up by the frost but that's not true!
The over 125k miles of stonewalls were built in just thirty years because of sheep.
The over 125k miles of stonewalls were built in just thirty years because of sheep.
[0] https://www.youtube.com/watch?v=zcLQz-oR6sw&t=129s