TY - RPRT TI - Grain-size segregation and levee formation in geophysical mass flows AU - C.G. Johnson AU - B. P. Kokelaar AU - Richard M. Iverson AU - M. Logan AU - R.G. LaHusen AU - J.M.N.T. Gray PY - 2012 DO - 10.1029/2011jf002185 UR - https://pubs.usgs.gov/publication/70179370 ID - 70179370 ER -