1925  On some of the sides the men have to walk from a mile to two miles before they arrive at their destination to start work at 7:30.
1942  SIDE ONE, Two, etc. Most large logging camps run two or more sides--that is, two or more entirely separate operations, each on its own spur of track, having its own facilities for rigging trees, yarding logs and loading.
1953  "If you can't yard three million," he says, "to every side,/You'd better roll your bundle and go take a ride."