Carriers. Extension of Government guaranty to carriers by water (Merchant & Miners Transportation Co.), hearing before subcommittee, 70th Congress, 2d session, on H. R. 12177 and S. 3723, to amend and reenact subdivision (a) of sec. 209 of transportation act, 1920 [so as to extend provisions thereof to carriers by water not controlled by any railroad company]; supplement, Dec. 20, 1928.