TY - RPRT TI - Aspen Ecology in Rocky Mountain National Park: Age Distribution, Genetics, and the Effects of Elk Herbivory AU - Linda Zeigenfuss AU - Dan Binkley AU - Gerald A. Tuskan AU - William H. Romme AU - Tongming Yin AU - Stephen DiFazio AU - Francis J. Singer PY - 2008 DO - 10.3133/ofr20081337 UR - https://pubs.usgs.gov/publication/ofr20081337 ID - ofr20081337 ER -