My introduction to building a stone wall, like beginnings in so many homesteading ... were originally constructed as a sandwich: vertical rock faces of rounded fieldstone on the outside with ...

Next, the group saw a typical pasture stone wall. “But it was different because ... They showed S-shaped layers, or strata, in the rock, and that reflects the origins of the Appalachians.” ...

The goal? To build a 20 foot (6 meter) and 213 ft (65 m) long dry-stone wall as part of a park where the landscape was digitally planned, and the earth autonomously excavated. The coolest thing ...