Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to Rehabilitation of the Jetty System at the Mouth of the Columbia River: Jetty A, North Jetty, and South Jetty, in Washington and Oregon

NMFS, upon request of the U.S. Army Corps of Engineers (Corps), hereby issues a regulation to govern the unintentional taking of marine mammals incidental to the rehabilitation of the Jetty System at the Mouth of the Columbia River (MCR), over the course of five years. This regulation, which allows for the issuance of a Letter of Authorization (LOA) for the incidental take of marine mammals during the described activities and specified timeframes, prescribes the permissible methods of taking and other means of effecting the least practicable adverse impact on marine mammal species or stocks and their habitat, as well as requirements pertaining to the monitoring and reporting of such taking.