Waythomas, C.F., Pierson, T.C., Major, J.J., and Scott, W.E., 2012, Preliminary observations of voluminous ice-rich and water-rich lahars generated during the 2009 eruption of Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report 2012-1078, 42 p., available online at http://pubs.usgs.gov/of/2012/1078/ .
publication on USGS website