 At Promontory Point, a historic preservation treatment was agreed to and signed into public contract, and into law when the Congress approved the project, in a memorandum of agreement.This document states that “the Corps shall consult with the SHPO (state historic preservation officer), the City of Chicago and the Chicago Park District to ensure that the design and construction of the revetment will match the existing in accordance with the recommendations of the Secretary of the Interior's ‘Standards and Guidelines for Archeology and Historic Preservation’.