Should condemnation proceedings be resorted to for the acquisition of private property, including public utilities, such condemnation proceedings may be brought under the provisions of Act 124 of the Public Acts of 1883 of the State of Michigan, being Sections 3784 to 3810, inclusive, of the Compiled Laws of 1929 of the State of Michigan, as amended, except that if condemnation proceedings are resorted to for the acquisition of private property, including public utilities outside the corporate limits of the City of Negaunee, such condemnation proceedings may be brought under the provisions of Act 149 of the Public Acts of 1911 of the State of Michigan, being Sections 3763 to 3783, inclusive, of the Compiled Laws of 1929 of the State of Michigan, as amended. The City of Negaunee may, in the condemnation of any private property, resort to such other appropriate provisions therefor as exist or shall be made by law.