; (2) by inserting after subsection (f) the following: (g) Coastal mapping The Secretary shall develop and carry out a plan for the recurring mapping of coastlines that are experiencing rapid change, including, at a minimum, such coastlines in— (1) Alaska; (2) Hawaii; and (3) any territory or possession of the United States. ; and (3) in subsection (h) (as so redesignated), by adding at the end the following: (3) Coastal mapping In addition to amounts made available under paragraph (1), there is authorized to be appropriated to carry out subsection (g) with respect to Alaska, Hawaii, and the territories and possessions of the United States, $10,000,000, to remain available until expended. . 1080. Disposal of dredged materials (a) In general Not later than 180 days after the date of enactment of this Act, the Secretary shall amend parts 335 through 338 of title 33, Code of Federal Regulations, to ensure that, when evaluating the placement of dredged materials from operation and maintenance of water resources development projects, the Corps of Engineers shall consider— (1) the suitability of the material to be dredged for a full range of beneficial uses; and (2) the economic and environmental benefits and impacts, and feasibility, of using the material for those beneficial uses. (b) Savings provision Nothing in this section affects, preempts, or interferes with any obligation to comply with the provisions of any Federal environmental law, including— (1) the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq.); (2) the Federal Water Pollution Control Act ( 33 U.S.C. 1251 et seq.)