Internal Energy Dissipators: Increased Resistance in Box Culverts · Increased Resistance in Circular Culverts · Tumbling Flow in Box Culverts · Tumbling Flow in Circular Culverts · USBR Type IX Baffled Apron External Dissipators: Drop Structures: Box Inlet Drop Structure · Straight Drop Structure · Stilling Basins: USBR Type III Stilling Basin · USBR Type IV Stilling Basin · Saint Anthony Falls (SAF Stilling Basin) · Streambed Level Structures: Colorado State University (CSU) Rigid Boundary Basin · Riprap Basin and Apron · Contra Costa Basin · Hook Basin · USBR Type VI Impact Basin — Aquatic Organism Passage — Stream Simulation: Stream Simulation · Input Reach Data · Gradation Data · Align and Size · Results Table · — Low Flow Hydraulics — Low Flow Hydraulics Method · Input Data · Gradation Data · Align and Size · Results Table · —