Panama Canal. Panama Canal, superannuation disability pay and disposition of lands, hearings, 74th Congress, 2d session, on H. J. Res. 247 [authorizing disposal of lands held by Panama Railroad Company on Manzanilla Island, Republic of Panama], H. R. 4991 [authorizing superannuation disability pay for alien employees of Panama Canal], Jan. 31, Feb. 13, 1936.