Cal. Gov. Code § 25552

The resolution shall designate the public park, beach, golf course, or recreation ground affected and state the amount required for enlargement, improvement, or maintenance of the public park, beach, golf course, or recreation ground. It shall also contain a description of the property needed for the purpose of enlargement, the nature of the proposed improvement, and its estimated total cost, or the nature of the additional maintenance cost imposed by the use by nonresidents of the city.