Dam Expansion for River Systems

PDF DIAGRAMS Elf's Bane Sawmill Video  (includes dam) This is a dam expansion for our river systems. PDF diagram included. NOT STAND ALONE. Requires 2 inch river banks AND low-profile river system. Center section is repeatable if you want a wider dam. System also requires 2 inch styrofoam or a platform 2 inches high (50.8mm) The dam for the Elf's Bane Sawmill is designed for modularity and integration with the existing water features. Design: The dam features two locks.Modularity: The cent