A legal challenge by an environmental group has temporarily stopped expansion at Snowmass, said the Aspen Times.

Aspen Ski Co. plans to add 230 acres to its ski resort, but a lawsuit filed by the Ark Initiative has blocked progress. The group claims the Forest Service illegally granted Aspen Ski Co. authority to cut down trees in an area it says is a protected roadless area.

Read more at the Aspen Times.