| | Star-Herald - Park Service taking comment, again, on winter use of Yellowstone National Park (Site not responding. Last check: 2007-10-11) |
 | | On Friday the Park Service announced the formal opening of the process to develop an environmental impact statement on winter use of Yellowstone, Grand Teton National Park and the John D. Rockefeller Jr. |
 | | Options include limiting how many snowmobiles may enter the parks; establishing requirements for guided park visits; allowing only mass-transit, such as snowcoaches; and not grooming some roads, so that bison's use of those with groomed snow may be studied. |
 | | The Park Service released its first study of Yellowstone snowmobiling in 1990, a document that called for further study when snowmobile visitation reached 143,000. |
| www.starherald.com /site/news.cfm?newsid=14759244&BRD=484&PAG=461&dept_id=553253&rfi=6 (444 words) |