Green Roof Maintenance: Lessons learned at OHSU

Chad Sorber, Oregon Health and Science University
application/vnd.openxmlformats-officedocument.presentationml.presentation, 4,513kb
Category: Ecoroof Symposium

Source: http://www.portlandonline.com/index.cfm?c=53845&a=406200

Hunting Adventure Outdoors Hiking Walking