Mealey's (June 18, 2015, 3:05 PM EDT) -- The City of Denton, which passed a ban on hydraulic fracturing within the city limits, on Dec. 1, 2014, filed answers to two lawsuits that were filed separately challenging the constitutionality of the fracking ban (Texas Oil and Gas Association v. City of Denton, No. 14-08933-431, Texas Dist., 16th Jud. Dist., Denton Co., and Jerry Patterson v. City of Denton, No. D-1-GN-14-004628, Texas Dist., 431st Jud. Dist., Travis Co.)....