HERBERT R. O'CONOR, GOVERNOR. 1751

to a general plan for the physical development of the District.
Such plan, including maps, plats, charts and descriptive mat-
ter, shall show the Commission's recommendations for the de-
velopment of the District, which may include, amongst other
things, such matters as the location, arrangement, character
and extent of roads, waterways, waterfronts, beaches, docks and
wharves, parks, forests, squares, aviation fields, airways, sub-
ways, wild-life refuges, open development areas and other ways,
grounds and open spaces, the general location of public, includ-
ing federal, buildings and other public properties, the general
location and extent of public utilities and terminals, whether
public or privately owned or operated, for light, transporta-
tion, communication, power and other purposes, the preserva-
tion and development of forests and natural scenery, the gen-
eral location and extent of housing and community projects
and developments, a zoning plan for the regulation of the
height, area, bulk, location and uses of buildings and the uses
of land, and other factors of urban, suburban, rural and re-
gional planning.

As the work of making the general plan progresses, the
Commission may, from time to time, adopt a. part or parts
thereof, any such part to cover one or more sections of the
District or one or more of the aforesaid or other functional
subjects—matter to be included in the plan. Before adopting
the plan or any part thereof or any extension or amendment
thereof or addition thereto, the Commission shall hold at least
one public hearing thereon, thirty days' notice of the time and
place of which shall be given by one publication in a newspaper
or newspapers of general circulation in the District. The
adoption of the plan or any part thereof or amendment, or ex-
tension or addition thereto shall be by resolution of the Com-
mission carried by the affirmative votes of not less than four
members of the Commission of whom not less than two mem-
bers shall be from Montgomery County and not less than two
members from Prince George's County. The resolution shall
refer expressly to the maps and descriptive and other matter
intended by the Commission to form the whole or part of the
plan, and the action taken shall be recorded on the map, plan
or descriptive matter by the identifying signature of the chair-
man and secretary of the Commission. An attested copy of
the plan or any part thereof or any amendment or extension
or addition thereto shall be certified by the Commission to and
filed with the Clerk of the Circuit Court of each of Montgomery
and Prince George's Counties,

E. The making of the general plan, including its parts,
amendments, extensions or additions, the protection of and the
carrying out of the plan, and the exercise of the planning, plat-
ting, zoning, subdivision control and all other powers granted