A bill to amend section 107 of the River and Harbor Act of 1970.

[AI summary unavailable — showing source text] Extends the deadline for submission of a report by the Secretary of the Army to the Congress describing the results of a program to demonstrate the practicality of extending the navigation season on the Great Lakes and Saint Lawrence Seaway until December 31, 1976 (presently July 30, 1974). Authorizes an increase of appropriations to $9,500,000 (presently $6,500,000) to carry out the purposes of this Act. (Amends 84 Stat 1818)…