Spring Open House & Swap Meet Black Diamond Lines

• Location: 425 Fulton Shipyard Rd, Antioch, CA 94509.
• Date: Saturday, April 18, 2026.
• Time: 9:30 to 3:00 pm.
• Admission: Free.
• For more information and any changes, contact: https://blackdiamondlines.org/index.html.

This event is part of the NMRA (National Model Railroad Association), founded in 1935.