Build a Mortarless Stone Retaining Wall
build stone retaining walls, 3 feet in height or shorter, using a dry-walling or "dry-stack" approach
garden and things
How To Build Retaining Walls With Natural Stone
DIY (Gardens & Yards) - More and More Inspirations
Build a Stone Retaining Wall in 15 Steps: This is an example of the dry-stack method.
Build a Stone Retaining Wall in 15 Steps @ about.com
Green Thumb (Gardening)
sometimes seating is built into stone walls
Decks, Patios & Porches
A Retaining wall is often used when a road is made on a hill. After time, they can begin deteriorating. I was tasked with rebuilding 100' of stone walls.