TY - RPRT TI - A glacier peak and Mount Saint Helens J volcanic ash couplet and the timing of deglaciation in the Colville Valley area, Washington AU - P. E. Carrara AU - D.A. Trimble PY - 1992 DO - 10.1139/e92-187 UR - https://pubs.usgs.gov/publication/70016832 ID - 70016832 ER -