shall be subject to the approval of the board of public
improvements, and no such work of any kind shall be done without
such approval by the board. All such sewers, drains, conduits,
pipes, and fixtures shall become and be the property of the
city.

SEC. 3. Within six months after the close of said fair or
exposition, the corporation or association aforesaid shall clear
the park, or in the event of the selection of Forest Park, the
part thereof above described, of all tramways and railway
tracks, rubbish and debris, and of all buildings, sheds,
pavilions, towers, and other structures of every kind, and shall
within twelve months after the close of such fair or exposition,
fully restore the park selected as a site, or in the case of
Forest Park, that portion thereof above-described, by doing all
necessary grading, the restoration and repair, or the formation
of all walks and roads, the planting of trees, the placing of
sod and the planting of shrubs and plants, all in accordance
with plans to be approved by the board of public improvements,
and all to be done subject to the inspection of the park
commissioner, and to his entire satisfaction and approval.

SEC. 4. The corporation or association aforesaid shall, within
six months after the approval of this ordinance by the mayor,
file its written acceptance thereof with the city register, and
make its selection of the park to be used as aforesaid; and said
corporation or association shall also, within the same time,
file its bond in the sum of one hundred thousand dollars, with
good and sufficient sureties, to be approved by the mayor and
council, conditioned for a full compliance with and performance