Letter to the Hon. Nita M. Lowey, Chairwoman of the House Appropriations Committee, the Hon. Richard C. Shelby, Chairman of the Senate Appropriations Committee, the Hon. Kay Granger, Ranking Member of the House Appropriations Committee, and the Hon. Patrick Leahy, Vice Chairman of the Senate Appropriations Committee - Letter from Rep. Murphy and Rep. Mast to appropriators regarding harmful algal blooms funding