From the outdoor training experts Rescue techniques using rope, throw bags Wading techniques, safe crossings, swimming skills NOLS experts share their tested techniques and strategies for surviving and keeping safe on the water. NOLS River Rescue outlines the basic skills for river rescue that every boater should know. Laying the groundwork of basic river knowledge, including hydrology and the anatomy of rivers, Ostis covers general river risk management and specific rescue techniques. Learn wading techniques, boat-to-boat rescue management with various types of crafts, rope and rescue systems, and much more.