This district is intended to provide for development of farm and natural open space areas into residential lots and subdivisions, wherein significant portions of such open spaces are preserved, either in the form of areas within large lots at an average gross density of 130,000 square feet (approximately three acres) per lot, or within special open space outlots, the creating of which is encouraged in this section by clustering portions of allowable lots into such outlots under a density incentive, pursuant to § 62.23(7)(b), Wis. Stats., special planned development districts, which this Rs-1A district is declared to be. This zoning classification is limited to those properties so designated on July 21, 2022.