The revision includes an additional standard for 990,000 years.

The revision includes material collected in the period 1950-55, but written up at a later date after Thirty-five was released from prison.

The revisions do, however, include plans for a 21-screen, 5,000-seat Loews movie theater.

A second revision included a stronger pinion and was made 1993-1997.

The revision included extending a full day of shooting from 14 to 15 hours, and a daily rate increase from $1,700 to $2,500.

The second revision (1983) included seeking the consent of minors where possible.

A revision included sanitation, park improvements and aid to the homeless.

The revisions included a chicane placed at the final two corners.

The 1999 revision has included a further 17 projects.