A copy of the resolution referred to in Section 13.20.090 shall be posted conspicuously along the streets in front of each block where such precise plan lines are proposed to be established. If any block is over five hundred feet in length, a copy of the resolution shall be posted not more than five hundred feet apart along the streets where such plan lines are proposed to be established. (Ord. 597 NCS §21.59; prior code §21.59.)