DENVER — Another northwestern Colorado coal mine is set to get a new environmental review after environmentalists challenged its permit. A proposed deal between the Trapper mine, environmentalists and regulators filed in federal court Thursday calls for a review to be performed by April 30. The mine would be able to continue to operate on land where mining is already underway and provide monthly status updates starting next month. The proposal, subject to the court's approval, came nearly a week after the Interior Department agreed to allow mining to continue at the nearby Colowyo mine after a court-ordered environmental review found its climate change impacts were insignificant. Read more on Colorado Springs Gazette