%0 E-Resource %0 U.S. Federal Government Document %0 Book %E Library of Congress. Congressional Research Service %I Congressional Research Service %D 2011 %C Washington, District of Columbia %G English %B CRS report for Congress ; %B U.S. Congressional documents. %T The National Environmental Policy Act (NEPA) : background and implementation. %U https://www.heinonline.org/HOL/Page?handle=hein.crs/crsmthmaybr0001&id=1&size=2&collection=congrec&index=crs