TY - BOOK CN - I 29.79/6: CY - [Denver, Colo. : DA - 2000] ID - 253602 KW - Environmental impact statements KW - Environmental impact statements KW - Environmental impact analysis KW - Environmental impact analysis LK - http://www.nps.gov/planning/yell/winterfinal/frames.htm N1 - Cover title. N1 - "NPS D-757A, August 2000"--P. [3] of covers. PB - U.S. Dept. of the Interior, National Park Service, Denver Service Center, PP - [Denver, Colo. : PY - 2000] T1 - Winter use plans [microform] :final environmental impact statement for the Yellowstone and Grand Teton national parks and John D. Rockefeller, Jr., Memorial Parkway / TI - Winter use plans [microform] :final environmental impact statement for the Yellowstone and Grand Teton national parks and John D. Rockefeller, Jr., Memorial Parkway / UR - http://www.nps.gov/planning/yell/winterfinal/frames.htm ER -