This business employees about 20 people an a seasonal basis.

Baseball team and player records are also kept on a "seasonal" basis.

After this only cargo services were provided, often on a seasonal basis.

"That's all it takes to make a turn on a seasonal basis," he said.

So far it has tested its student body on a seasonal basis.

The island and monument, currently under development, has been open on a seasonal basis during the summer months since 2003.

Public tours of the green roof are available on a seasonal basis.

The planning for the radio station is performed on a seasonal basis.

It also has a good rental value on a seasonal basis.

Another 139,000 systems serve smaller populations, often on a seasonal basis.