BALTIMORE COUNTY. 773

or the application thereof to any person or circumstance is held invalid,
the remaining provisions and the application of such provisions to other
persons or circumstances shall not be affected thereby.

1918, ch. 480. B. Co. C. (1928), sec. 668.

668. That no person shall drag by horses or other motive power any
logs, poles or timber or use any chain or rough lock, or any spiked, studded
or ridged tires or other device on any public road in Baltimore County so
as to cause any unusual amount of damage to said roads, 'and no person
shall operate upon any of the public roads or highways of Baltimore
County, any vehicle so constructed or equipped as to cause any unusual
amount of damage to such highways; and no wagon, truck, road engine,
traction engine or other vehicle having metal tires or treads shall be oper-
ated over or upon any such road or highway having upon the wheels any
clamps, spikes, ribs or other devices which may cut into or injure the
road surface, nor shall any wagon or other vehicle of any kind be operated
with a rough lock or similar device under one or more of the wheels thereof
in such a manner as to cut into or injure the surface of any such road or
highway. Provided nothing in this Act contained shall apply to the opera-
tion of any tractor or threshing machine on any of such roads, to any
vehicle the wheels of which are provided with such tread bands as are
now or may hereafter be recommended by the State Roads Commission.
Any person violating any of the provisions of this section shall be deemed
guilty of a misdemeanor, and upon conviction shall be fined not less than
ten dollars or more than one hundred dollars for each offense, such fine
to be paid to the board or other public authorities in control of the road
upon which such offense was committed and to be used for road mainte-
nance; provided, however, that this section shall only apply to roads which
have been improved with modern gravel, shell, macadam or metal road-
bed, and shall not apply to dirt roads.

1918, ch. 100. B. Co. C. (1928), sec. 669.

669. That it shall be the duty of each and every person, incorporated
society, public institution, or other corporation using or occupying in any
manner or for any purpose whatsoever any house, store, shop, stable or
tenement of any kind and/or persons having charge of churches and
public buildings of every description and the owners of unoccupied houses
and unimproved lots situated on any street along which have been con-
structed paved sidewalks in Baltimore County, within 3 hours after the
fall of any snow (unless the snow shall have ceased to fall between the
hours of 3 o'clock P. M. and 6 o'clock on the following morning in which
case it shall be removed before 11 o'clock in the morning) to remove and
clear away, or cause to be removed or cleared away the same from the
foot pavements fronting the respective houses, stores, shops, stables,
churches, and lots occupied by such buildings, unoccupied buildings and
unoccupied lots, fronting on such highway in such manner as not to ob-
struct the passage of water in the gutters along said highway under a