1154 FREDERICK COUNTY. [ART. 11.

1867. ch. 96.

240. The mayor and aldermen shall have full power and au-
thority to pass all ordinances necessary and proper to prevent
minors from frequenting or visiting any house or room within
the corporate limits of the city of Frederick in which gambling
of any species is carried on, and to provide for the punishment
thereof.

1868. ch. 87.

241. They shall have full power and authority to extend the
pipes conveying water to any place within the police corporate
limits of said city.

1870, ch. 298.

242. They shall have full power to provide for laying out,
opening, extending, widening, straightening or closing up, in whole
or in part, any street, lane or alley within the police limits of the
city, which in their opinion the public welfare or convenience
may require; to provide for ascertaining whether any and what
amount in value of damage will be caused thereby, and what
amount of benefit will thereby accrue to the owner or possessor
of any ground or improvements within or adjacent to the city,
for which such owner or possessor ought to be compensated or
ought to pay a compensation; and to provide for assessing and
levying, either generally upon the whole assessable property of
the city, or specially on the property of persons benefited, the
whole or any part of the amount of damages and expenses which
they shall ascertain will be incurred in locating, opening, extend-
ing, widening, straightening or closing up the whole or any part
of any street, lane or alley in the city, and for the collection
thereof; to provide for granting appeals to the circuit court for
Frederick county from the decisions of any commissioners, whom
they are empowered to appoint by ordinance to ascertain the
damages which will be caused or the benefits which will accrue to
the owners or possessors of ground or improvements, by locating,
opening, extending, widening, straightening or closing, in whole
or in part, any street, lane or alley within the city, and for securing
to every such owner and possessor the right, on application within
a reasonable time, to have decided by jury trial whether any
damage has been caused, or any benefit has accrued to him, and