Comment on FR Doc # E7-09351

July 6, 2007 Yellowstone National Park Winter Use Proposed Rule P. O. Box 168 Yellowstone National Park, WY 82190 RE: RIN 1024-AD55 Dear Rule Makers: I am writing in regard to the Winter Use Proposed Rule for Grand Teton and Yellowstone National Parks and the John D. Rockefeller, Jr., Memorial Parkway. I support the continued use of snowmobiles for winter transportation in these parks. 1. The rule should be amended to allow at least 20% of Yellowstone?s daily snowmobiles entries to be led by a non-commercial guide who has taken a short training course. 2. The daily snowcoach limit of 78 per day proposed is too high and should be reduced to fewer than 50 per day. This should better utilize empty seats in existing snowcoaches, currently averaging just 29 per day entering the park with an average of only 7.5 riders per coach. 3. I support the section of the rule which will finally require snowcoaches to meet emissions and sound requirements. However, ?beginning in the 2011-2012 season? is too long of a phase-in period. Two years advance notice should be more than sufficient. 4. The maximum commercial snowmobile group size should remain at 11 (10 plus 1 guide) versus being decreased to 8 as proposed by this rule. 5. Sylvan Pass provides important access to Yellowstone through the East Entrance. Therefore I would request Sylvan Pass be kept open to snowmobile and snowcoach traffic. 6. The Yellowstone side-roads provide opportunities for visitors to view the beauty of the park. I support re-opening these road segments to snowmobiles in the afternoons. Thank you for this opportunity to comment. Sincerely, Dave Newman W1757 Starks Rd Unity, WI 54488