Key:   A: 16+ & Adult Programs    A: Active Adults- 50+    A: Adults 18+ Education & Hobby    A: Adults 18+ Fitness & Sports    A: Adventure Camps    A: After School Programs    A: Community Gardens    A: Concert Series    A: Day Camps    A: Enrichment Camps    A: Family Programs & Events    A: Other    A: Other Organizations    A: Pre-School/Kindergarten    A: Senior Organizations    A: Special Events    A: Sports Camps    A: Technology Camps    A: Williston Organizations    A: Youth/Teen Education    A: Youth/Teen Sports & Fitness    R: Misc Users    R: Non-Resident- Group/Org/Business    R: Non-Residents- Sports Leagues    R: Residents- Group/Org/Business    R: Residents- Sports Leagues    R: Town/School Sponsored Programs   [G]: Game   [P]: Practice