Cart “HSPF Hydromodification Modeling” has been added to your cart. Continue shoppingRemove itemThumbnail imageProductPriceQuantitySubtotal × Empirical Model for Estimating Upstream Water Levels at a Tide Gate Control Empirical Model for Estimating Upstream Water Levels at a Tide Gate Control quantity- + $19.99 × Alternatives to Rip Rap: Environmentally-Sensitive Stream Stabilization Methods Alternatives to Rip Rap: Environmentally-Sensitive Stream Stabilization Methods quantity- + $399.00 × HSPF Hydromodification Modeling HSPF Hydromodification Modeling quantity- + $49.00 Coupon: Apply coupon Update cart Cart totalsSubtotal$467.99Tax$0.00Total$467.99 Proceed to checkout