CHEYENNE, WYO. — The National Park Service adopted a winter use plan for Yellowstone National Park on Thursday that focuses more on controlling the effects of snowmobiles rather than strictly limiting their numbers.

Previous winter use plans capped the numbers of snowmobiles and enclosed, multi-passenger snowcoaches allowed in the park each day. That policy will continue for the upcoming winter season, with no more than 318 snowmobiles and 78 snowcoaches allowed in each day.

Read the rest here.