TY - RPRT TI - Compaction and gas loss in welded pyroclastic deposits as revealed by porosity, permeability, and electrical conductivity measurements of the Shevlin Park Tuff AU - Heather M. Wright AU - Katharine V. Cashman PY - 2013 DO - 10.1130/b30668.1 UR - https://pubs.usgs.gov/publication/70068813 ID - 70068813 ER -