TY - RPRT TI - Volcano crisis response at Yellowstone volcanic complex - after-action report for exercise held at Salt Lake City, Utah, November 15, 2011 AU - Thomas C. Pierson AU - Carolyn L. Driedger AU - Robert I. Tilling PY - 2013 DO - 10.3133/ofr20131018 UR - https://pubs.usgs.gov/publication/ofr20131018 ID - ofr20131018 ER -