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× Water quality
作者:Tiemann, Mary
发布日期:2018
关键词:Federal aid to water resources development;Appropriations;...
发布机构:Library of Congress. Congressional Research Service.
作者:Tiemann, Mary
发布日期:2017
关键词:Appropriations;Water purification;...
发布机构:Library of Congress. Congressional Research Service.
作者:Tiemann, Mary
发布日期:2017
关键词:Water law and legislation;Water purification;...
发布机构:Library of Congress. Congressional Research Service.
作者:Copeland, Claudia
发布日期:2017
关键词:Environmental protection;Water law and legislation;...
发布机构:Library of Congress. Congressional Research Service.
作者:Tiemann, Mary
发布日期:2016
关键词:Water resources;Water quality;...
发布机构:Library of Congress. Congressional Research Service.
作者:Copeland, Claudia
发布日期:2016
关键词:Water Law and legislation;Water pollution;...
发布机构:Library of Congress. Congressional Research Service.