Eight members to be appointed from recommendations submitted by the boards of commissioners or the county councils, as the case may be, of Montgomery, Frederick, Washington, and Allegany Counties, Maryland, of which two members shall be appointed from recommendations submitted by each such board or council, as the case may be;

Eight members to be appointed from recommendations submitted by the Governor of the State of Maryland, the Governor of the State of West Virginia, the Governor of the Commonwealth of Virginia, and the Mayor of the District of Columbia, of which two members shall be appointed from recommendations submitted by each such Governor or Mayor, as the case may be; and

Three members to be appointed by the Secretary, one of whom shall be designated Chairman of the Commission and two of whom shall be members of regularly constituted conservation organizations.