TY - RPRT TI - Evidence for debris flow gully formation initiated by shallow subsurface water on Mars AU - Nina L. Lanza AU - Grant A. Meyer AU - Chris Okubo AU - Horton E. Newsom AU - Roger C. Wiens PY - 2010 DO - 10.1016/j.icarus.2009.04.014 UR - https://pubs.usgs.gov/publication/70033863 ID - 70033863 ER -