Douglas Barnes
Books by Douglas Barnes
The Permaculture Earthworks Handbook
How to Design and Build Swales, Dams, Ponds, and other Water Harvesting Systems
The Permaculture Earthworks Handbook (PDF)
How to Design and Build Swales, Dams, Ponds, and other Water Harvesting Systems
The Permaculture Earthworks Handbook (EPUB)
How to Design and Build Swales, Dams, Ponds, and other Water Harvesting Systems