NH Retaining Wall Idea: Three story segmented retaining wall on hill. NH Retaining Wall Idea: Sitting wall behind fire pit NH Retaining Wall Contractor Idea: segmented wall between garden and walkway. NH Retaining Wall Contractor Idea: segmented wall between garden and walkway. 2 NH Retaining Wall Contractor Idea: segmented wall between garden and walkway. 3 NH Retaining Wall Contractor Idea: One unit ledged patio retaining wall. NH retaining wall idea: garden wall behind outdoor steps. NH retaining wall contractor idea: Adirondak chair in front of garden patio wall. NH Retaining Wall Idea: boat house embedded into retaining wall and hill at side of lake. NH Erosion Control Idea: driveway wall with new plantings NH retaining wall contractor idea: flower garden sits atop garden retaining wall.