Retaining walls combine artistry, science, function and beauty. Learn from a master stone mason how to build a dry-stack wall. Instructor Brooks Burleson of Stone Craftsman will cover design, stone selection, confirming layout and slope, preparation, stone installation and final touches. A small retaining wall will be built in class to give you hands-on experience. All participants must complete a participation agreement with registration. All materials included in the fee. Please bring a lunch and wear work clothes. Instructor: Brooks Burleson of Stone Craftsman. Location: meet at the Doris Duke Center. Qualifies for Home Horticulture Certificate elective course (6 hours).