legislation_cosponsors: 112-hconres-13, C001077

Cosponsors for tracked legislation. Distinguishes original cosponsors (signed on at introduction) from later additions. Linked to congress_members via bioguide_id.

This data as json

bill_id	bioguide_id	full_name	party	state	sponsorship_date	is_original_cosponsor
112-hconres-13	C001077	Rep. Coffman, Mike [R-CO-6]	R	CO	2011-01-26	1