U.S. Geological Survey http://nwpr.org en Study Analyzes Trends In Groundwater Decline http://nwpr.org/post/study-analyzes-trends-groundwater-decline <p></p><p>A new study is providing the most comprehensive look yet at what’s causing groundwater to decline in parts of Washington, Oregon and Idaho. Wed, 06 Feb 2013 00:29:25 +0000 Courtney Flatt 22283 at http://nwpr.org Study Analyzes Trends In Groundwater Decline