bill_id,bioguide_id,full_name,party,state,sponsorship_date,is_original_cosponsor 99-s-2582,M000635,"Sen. Melcher, John [D-MT]",D,MT,1986-06-20,1 99-s-2582,G000386,"Sen. Grassley, Chuck [R-IA]",R,IA,1986-06-20,1 99-s-2582,H000456,"Sen. Heinz, John [R-PA]",R,PA,1986-06-20,1 99-s-2582,B001057,"Sen. Bumpers, Dale [D-AR]",D,AR,1986-06-20,1 99-s-2582,B000639,"Sen. Boren, David L. [D-OK]",D,OK,1986-06-20,1