TY - RPRT TI - Sea-floor gouges caused by migrating gray whales off northern California AU - D.A. Cacchione AU - D.E. Drake AU - M.E. Field AU - G. B. Tate PY - 1987 DO - 10.1016/0278-4343(87)90021-5 UR - https://pubs.usgs.gov/publication/70015309 ID - 70015309 ER -