Watershed Sculpture on Make TV

Maker TV films West Marin project for MAKE-TV. http://blog.makezine.com/archive/2009/02/maker_profile_watershed_sculptures.html
"Journey upstream with environmental artist Dan McCormick, a maker who crafts intricate watershed sculptures out of woven willow branches. Dan places his eco-art in gullies and riverbanks to help reduce erosion and filter out sediment and farm fertilizers that can clog streams and suffocate spawning salmon."