Alaska Volcano Observatory, National Weather Service, Federal Aviation Administration, Department of Defense, United States Coast Guard, Division of Homeland Security and Emergency Management, Alaska Department of Environmental Conservation, and Alaska Department of Health and Social Services (participating agencies), 2017, Alaska interagency operating plan for volcanic ash episodes, 81 p.
old ash plan from 2004 : 1.72 MB
old ash plan from 2008 : 907 KB
old ash plan from 2011 : 4.7 MB
old ash plan from 2014 : 4.47 MB
2017 version, full-text pdf : 2.7 MB