[Committee hearing] serial, 91st Congress. 25. Panama Canal traffic, capacity, and tolls, hearings before Subcommittee on Panama Canal, 91st Congress, 2d session, on report from Panama Canal Company officials on projection of canal traffic, capacity, and tolls as they affect Panama Canal and on report on impact of IMCO universal measurement tonnage system on Panama Canal tonnage assessment system, Apr. 22, 1970.

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