S. 1687 · 108th Congress Manhattan Project National Historical Park Study Act StageSigned by the president SponsorJeff Bingaman Introduced2003-09-30 Latest action2004-10-18 · Signed by President. Follow Summary Text Subjects Cosponsors (4) Votes (0) Actions Cosponsors (4) Lamar Alexander Former member Senate TN Republican Pete Domenici Former member Senate NM Republican Maria Cantwell Current member Senate WA Democrat Patty Murray Current member Senate WA Democrat