1090 ARTICLE 4.

grade of any street, lane or alley on low or made ground the Mayor shall
proceed to act in the manner specified in this Article relating to streets.
City has right to grade a street, lane or alley to abate a nuisance.
Owners Realty Co. v. M. & C. C., 112 Md. 477.

ATHLETIC FIELDS, ETC.

1910, ch. 203.

492A. That the Mayor and City Council of Baltimore City be and
the same is hereby authorized and empowered to enter into agreements or
contracts with the Public Athletic League, incorporated, for the purpose
of establishing, maintaining and conducting gymnasia, athletic fields and
recreation centers for the benefit of the people of Baltimore City, for
such length of time and upon such terms as the Mayor and City Council
of Baltimore City may deem advantageous.

CHEMICAL LABORATORIES.

P. L. L. (1860), Art 4, sec. 149. P. L. L. (1888), Art. 4, sec. 387.

493. No person shall erect or assist in the erecting any chemical labora-
tory within the limits of said city without the consent of the city, and
the city may provide by ordinance for preventing the erection of any such
laboratory, and for removing or preventing the use of any that shall be
erected.

CHILDREN'S PLAYGROUNDS.

1906, ch. 201.

493A. The Mayor and City Council of Baltimore is authorized and
empowered to enter into an agreement with the duly constituted officers
of the Children's Playground Association (Division Eight United Women
of Maryland) for the maintenance of Children's Playgrounds in the City
of Baltimore, for such length of time and upon such terms as the Mayor
and City Council of Baltimore may deem advantageous.

1908, ch. 511.

493B. That the Mayor and City Council of Baltimore be and it is
hereby authorized and empowered to enter into an agreement with the
Children's Playground Association of Baltimore City, a body corporate,
for the maintenance of children's playgrounds in the City of Baltimore,
for such length of time and upon such terms as the Mayor and City Coun-
cil of Baltimore may deem advantageous.

1908, ch. 511

493C. That any contract or appropriation heretofore made or provided
for by the Mayor and City Council of Baltimore in pursuance of the pro-
visions of Chapter 201 of the Acts of the General Assembly of Maryland,
session of 1906, with the duly constituted officers of the Children's Play-