TY - RPRT TI - Deglaciation of the mountainous region of northwestern Montana, U.S.A., as indicated by late Pleistocene ashes AU - P. E. Carrara AU - S. K. Short AU - R.E. Wilcox PY - 1986 DO - 10.2307/1550889 UR - https://pubs.usgs.gov/publication/70014565 ID - 70014565 ER -