Closures of the various lots and blocks, in number and in form approved by the City Engineer, shall accompany a closure of the subdivision boundary. (Ord. 3153 § 2 (Exh. C), 2010; Ord. 2100 § 1, 1985; Ord. 1369 § 2, 1971; prior code § 28.302(1). Formerly 18.16.030).