(March 5, 2019, 2:22 PM EST) -- DENVER — An environmental group on Feb. 11 filed a brief arguing that a Colorado federal court should issue a ruling that the state of Colorado does not have a compelling interest in allowing hydraulic fracturing companies to target the minerals of nonconsenting mineral owners through a practice referred to as “forced pooling” (Wildgrass Oil & Gas Committee v. State of Colorado, et al., No. 19-190, D. Colo.)....