作者:Copeland, Claudia
发布日期:2008
关键词:Water;Water pollution;...
发布机构:Library of Congress. Congressional Research Service.
作者:Copeland, Claudia
发布日期:2009
关键词:Water;Water pollution;...
发布机构:Library of Congress. Congressional Research Service.
3 Wetland Issues [科技报告]
作者:Zinn, Jeffrey A., Copeland, Claudia
发布日期:2002
关键词:Water resources;Wetlands
发布机构:Library of Congress. Congressional Research Service.
作者:Copeland, Claudia
发布日期:2008
关键词:Water resources;Infrastructure;...
发布机构:Library of Congress. Congressional Research Service.
作者:Copeland, Claudia
发布日期:2000
关键词:Water pollution;Environmental law enforcement;...
发布机构:Library of Congress. Congressional Research Service.
作者:Esworthy, Robert;Schierow, Linda-Jo;Copeland, Claudia;等
发布日期:2005
关键词:Solid wastes;Hazardous waste site remediation;...
发布机构:Library of Congress. Congressional Research Service.