H.R.15451 - A bill to authorize the construction of a lock and dam project on the Mississippi River near Alton, Ill., to revoke authority for 12-foot channel studies on the upper Mississippi River and its tributaries.94th Congress (1975-1976)
Cosponsors: H.R.15451 — 94th Congress (1975-1976)All Information (Except Text)
Congress.gov databases include cosponsorship dates (including identification of "original" cosponsors) since 1981 (97th Congress). Prior to 1981, you may be able to find some information online, but often the information is available only in print form.
Sponsor: Rep. Smith, Neal Edward [D-IA-4] | Cosponsor statistics: 21 current - includes 0 original