TY - RPRT TI - Observations at the Mars Pathfinder site: Do they provide "unequivocal" evidence of catastrophic flooding? AU - M. G. Chapman AU - J.S. Kargel PY - 1999 DO - 10.1029/98je02083 UR - https://pubs.usgs.gov/publication/70021765 ID - 70021765 ER -