620 ILCS 65/15
In addition to any other powers the City may have, and notwithstanding any other law to the contrary, the City may acquire by gift, grant, lease, purchase, condemnation (including condemnation by quick take under Article 20 of the Eminent Domain Act), or otherwise any right, title, or interest in any private property, property held in the name of or belonging to any public body or unit of government, or any property devoted to a public use, or any other rights or easements, including any property, rights, or easements owned by the State, units of local government, or school districts, including forest preserve districts, for purposes related to the O'Hare Modernization Program. The powers given to the City under this Section include the power to acquire, by condemnation or otherwise, any property used for cemetery purposes within or outside of the City, and to require that the cemetery be removed to a different location. The powers given to the City under this Section include the power to condemn or otherwise acquire (other than by condemnation by quick take under Article 20 of the Eminent Domain Act), and to convey, substitute property when the City reasonably determines that monetary compensation will not be sufficient or practical just compensation for property acquired by the City in connection with the O'Hare Modernization Program. The acquisition of substitute property is declared to be for public use. Property acquired under this Section includes property that the City reasonably determines will be necessary for future use, regardless of whether final regulatory or funding decisions have been made; provided, however, that quick-take of such property is subject to Section 25-7-103.149 of the Eminent Domain Act .
620 ILCS 65/15