Understanding Landscape 18: Willamette Valley Case Study
Channel: PublicResourceOrg
Date: 2010-04-18

U.S. Department of Agriculture - Natural Resources Conservation Service - Understanding Landscape, Episode 18 of 18: Willamette Valley Case Study - Study Guide: http://www.archive.org/download/gov.usda.nrcs.landscape.pdfdocs/17-WIL1.PDF