Its leaky roof rested on ten-foot-high walls that were originally constructed as a sandwich: vertical rock faces of rounded fieldstone on the outside with a mud-mortar/rubble stone mix on the inside.

The abandoned fieldstone walls of New England are every bit as iconic to the region as lobster pots, town greens, sap buckets ...

But there was, in fact, a very substantial stone wall that ... on the rock honors Charles Hazlett, commander of Hazlett’s battery, who was killed during the fighting on Little Round Top.

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 ...

“These folks would build [stone] walls to their specification. They would use the old farmers' walls and build nicer-looking walls out of them, [or] use rock that came from a quarry ...

That’s what you’ll be saying if you look at stone walls as more than just rows of ... They showed S-shaped layers, or strata, in the rock, and that reflects the origins of the Appalachians.” ...

An autonomous, robotic hydraulic excavator could build a dry stone wall to act as a blast shield around a launch pad on the moon, propose a team of Swiss researchers. The excavator would make use ...