 On the Canadian side, the Niagara Parks Commission governs land usage along the entire course of the Niagara River, from Lake Erie to Lake Ontario.In 1887, Olmsted and Calvert Vaux issued a supplemental report detailing plans to restore the falls.Their intent was "to restore and conserve the natural surroundings of the Falls of Niagara, rather than to attempt to add anything thereto," and the report anticipated fundamental questions.