Sign Project Inventory Assist Park Staff with Sign Inventory Project. Activity Details Date: Tuesday, December 20, 2016 Time: 8:00 am - 2:00 pm Duration (hours:minutes): 6:00 Type: Stewardship Organization: OC Parks Area: Santiago Oaks Regional Park Staging Area: Santiago Oaks - Ranger Office Difficulty: 1 Minimum Age: 12 Email Activity to Friend Registration is closed for this activity..