TY - RPRT TI - Using packrat middens to assess how grazing influences vegetation change in Glen Canyon National Recreation Area, Utah AU - Jessica F. Fisher AU - Kenneth L. Cole AU - R. Scott Anderson PY - 2006 DO - 10.3133/ofr20061183 UR - https://pubs.usgs.gov/publication/ofr20061183 ID - ofr20061183 ER -