+ wishlist Add to Cart The item has been added Author: John G. Williams Peter B. Moyle J. Angus Webb G. Mathias Kondolf Environmental Flow Assessment: Methods and Applications (Advancing River Restoration and Management) [9781119217367] Buy More - Save More. Below are the available bulk discount rates for each individual item when you purchase a certain amount Quantity Price Savings 25 - 99 15% 100 - 249 16% 250 - 499 17% 500 - 999 18% 1000+ 20% List Price As Low as $130.95 Format: Hardcover