In the event that the Official Zoning Map becomes damaged, destroyed, lost, or difficult to interpret because of the nature or number of change and additions, the Borough Council may, by resolution, adopt a new Official Zoning Map which shall supersede the prior Official Zoning Map. The new Official Zoning Map shall be identified by the signature of the President of Borough Council, attested by the Borough Secretary and bear the Seal of the Borough under the following words: "This is to certify that this Official Zoning Map, adopted __________________ as part of Ordinance No. ____ of the Borough of Denver, Lancaster County, Pennsylvania".