TY - RPRT TI - Preliminary assessment of vertical stability and gravel transport along the Umpqua River, southwestern Oregon AU - Jim E. O'Connor AU - J. Rose Wallick AU - Steven Sobieszczyk AU - Charles Cannon AU - Scott W. Anderson PY - 2009 DO - 10.3133/ofr20091010 UR - https://pubs.usgs.gov/publication/ofr20091010 ID - ofr20091010 ER -