HARRY W. NICE, GOVERNOR. 767

penses which may be incurred or accrue in connection with
any such investigation, inquiry, hearing or legal proceeding.

57. The Commission is further authorized and empowered
to acquire by agreement, purchase or condemnation the right—

To place and maintain obstruction markers and/or lights
upon any building, tower, tree, stack, pole, wharf, pier, struc-
ture, land or premises located within five thousand (5, 000)
feet of an Airport or Landing Field owned, controlled, main-
tained or operated by any county, municipality or other pub-
lic authority of this State, including the right to lay and
maintain conduits and wires to such obstruction markers
and/or lights, whenever requested so to do by such county,
municipality or other public authority, and when in the judg-
ment of the Commission the installation and maintenance of
such obstruction markers and/or lights is necessary for the
purpose of rendering aerial navigation to and from such Air-
port or Airports safe. Before exercising the authority hereby
conferred upon it, the Commission shall require the county,
municipality, or other public authority owning, operating or
controlling the public Airport or Landing Feild immediately
concerned, to assume and pay all costs, charges and expenses
which may be incurred in the installation and maintenance of
such obstruction markers and/or lights, and all such rights
acquired by the Commission, whether by agreement, purchase
or condemnation, shall be assigned, transferred and conveyed
to the county, municipality or other public authority so
immediately concerned.

58. Certain words in this sub-title are defined for the pur-
poses of this sub-title as follows, unless the contrary clearly
appears from the context:

(a) Airport and Landing Field. These terms apply to
those Airports and Landing Fields described and included
within the purview of Article 1A of the Annotated Code of
Maryland (1935 Supplement).

(b) Height of buildings and structures. The height of a
building or structure for the purposes of this sub-title is the
vertical distance measured from the ground or surface level of
the Airport on the side adjacent to said building or structure
to the level of the highest point of the building or structure.

(c) Buildings and structures. Any edifice, structure or
construction of any kind, character or description, erected, lo-
cated, or proposed to be erected or located, within the area
described in Section 52 as the Safety Zone, including any edi-
fice, structure or construction within said Safety Zone erected,
constructed or located on or over land or water.

(d) The established perimeter of an Airport or Landing
Field for the purpose of computing all distances and elevations