wood retaining walls | ... .com/wood/wood-retaining-wall-timber-walls-fence-contractor.htm
Retaining sleeper walls...DD: Before and after pix of creative outdoor living ideas many for small spaces.
retaining wall timber - Google Search
Sleeper retaining walls and pavior capped steps
Timber retaining wall, Corey's plan
retaining wall timber | Avon Timber Merchants Coventry - Supplying the West Midlands and UK ...
railway sleepers « Garden Gurus, Landscape Gardening in South London SW19