Suit challenges C-Falls zoning districtJack Petty, who owns Shadow Valley Ranch on U.S. 2 near Columbia Heights, is legally challenging the zoning district for the areaThe district court lawsuit argues that the Two Bridges Zoning District was never properly established and therefore does not exist According to the suit, the county commissioners never appointed a five-member zoning commission, the required maps and charts were not adopted and the district's regulations don t create a proper development patternThe area is presently zoned residential with a minimum lot size of one acre Petty has been trying to sell a piece of the property for commercialdfWlOMlMat.