§ 13.21 Limitation on park and parkways in city of New York. The department shall not establish or operate any park or parkway heretofore established or operated by the city of New York, and the office shall not acquire for its purposes any land, or establish or operate a park or parkway thereon, dedicated or acquired or attempted to be dedicated or acquired by the city of New York for park or parkway purposes, or located in the Rockaway peninsula, west of Riis park and the Marine parkway bridge, in the county of Queens.