CLINICS 2023 Mini-Clinic Schedule. Clinics Are Located In The Rear Of Building E Saturday - October 7th 11:00 Easy Coal Loads 12:00 Beginner Scenery 1:00 Making Trees 2:00 Care & Feeding your Tortoise 3:00 Upgrading Samhongsa Drives Sunday - October 8th 11:00 TBA 12:00 Beginner Scenery 1:00 Locomotive Maintenance 2:00 Rolling Stock Maintenance ** Mini-clinics last 15-30 minutes and include hands-on demonstrations of the subject presented.