TY - RPRT TI - Evolving environmental and geometric controls on Columbia Glacier’s continued retreat AU - Ellyn Enderlin AU - Shad O’Neel AU - Timothy C. Bartholomaus AU - Ian Joughin PY - 2018 DO - 10.1029/2017jf004541 UR - https://pubs.usgs.gov/publication/70216336 ID - 70216336 ER -