S. 35 · 115th Congress Black Hills National Cemetery Boundary Expansion Act StageSigned by the president SponsorJohn Thune Introduced2017-01-05 Latest action2018-05-25 · Signed by President. Follow Summary Text Subjects Cosponsors (2) Votes (1) Actions Cosponsors (2) Michael Enzi Former member Senate WY Republican Mike Rounds Current member Senate SD Republican