One of the principle outcomes of urban containment policies is the reallocation of land to achieve particular results. Upzoning represents selective rezoning of residential land to allow higher density development of single- and/or multi-family housing. If certain rural lands are intended to be used for farming and forestry but are zoned for one-, two-, five-, or even ten-acre minimum lot sizes, their ultimate use will not be farming or forestry but rather small-acreage homesites. Such lands should be downsized to exclusive farm and forest uses with minimum lot sizes (named “Large Lot Zoning”). Case/Example: Ann Arundel County (MD). Source/Reference: NACo, JCSC, and SGN, 2001, pp. 28 and pp. 43; Nelson and Duncan, 1995, pp. 82; Porter, 1997, pp. 108-109.