ART. 3. ] BALTIMORE COUNTY. 519

of the whole assessable property of the Thirteenth Election
District of Baltimore county, to be collected as other county
taxes are collected, and when collected to be used by the said
County Commissioners exclusively for the purpose of broken
or crushed stone for the purpose of macadamizing the county
roads of said district, provided fifty or more taxable residents
of said district shall, prior to each annual tax levy, petition the
said County Commissioners asking such special levy to be
made.

415. Every taxpayer of said district shall have the privi-
lege of working out this special tax by hauling broken or
crushed stone of suitable quality upon such portions of any
of the county roads of said district nearest his farm, which it
is intended to macadamize out of the proceeds of said special
tax. The said work to be done under the supervision of the
road supervisor of said district, who, whenever he is satisfied
that any taxpayer has fully worked out his special road tax
under this law at the same price per perch paid by the County
Commissioners for similar stone delivered upon said road,
shall give such taxpayer a certificate to that effect, which cer-
tificate shall be received by the treasurer and collector of
taxes for Baltimore county as so much money on account of
said tax.

416. The County Commissioners of Baltimore county be
and are authorized and empowered to lay out and construct
under the provisions of the road laws of Baltimore county,
such county roads and avenues within that part of the Thir-
teenth Election District of Baltimore county lying within two
miles of the present limits of Baltimore city, as may be de-
manded for the convenience of the people of said district,
provided that all county roads or avenues to be opened under
the provisions of this section through any lands situate in
said district, which have heretofore been platted by the pro-
prietors thereof in pursuance of a plan for the development
thereof, shall conform to the streets, avenues or alleys so
platted on said plat of said lands, unless the proprietors
thereof shall consent to an alteration.

417. For the purpose of preserving the county roads of the
Thirteenth Election District of Baltimore county, all wagons
hauling bricks, clay, sand or gravel over said roads in said dis-
trict of said county, shall have wheels with tires not less than
four inches in width; and all carts hauling bricks, clay, sand or
gravel over said roads in said district of said county, shall have
wheels with tires not less than three inches in width. The pro-
visions of this section to take effect from the first day of Jan-
uary, 1909.