TY - RPRT TI - Late Quaternary sea-level history and the antiquity of mammoths ( Mammuthus exilis and Mammuthus columbi ), Channel Islands NationalPark, California, USA AU - Daniel R. Muhs AU - Kathleen R. Simmons AU - Lindsey T. Groves AU - John P. McGeehin AU - R. Randall Schumann AU - Larry D. Agenbroad PY - 2017 DO - 10.1016/j.yqres.2015.03.001 UR - https://pubs.usgs.gov/publication/70148340 ID - 70148340 ER -