Robbins, S.D., 2010, Active volcanoes of Kamchatka and northern Kurile Islands: Alaska Division of Geological & Geophysical Surveys Miscellaneous Publication 137, 3 sheets, scale 1:3,500,000, available online at http://www.dggs.alaska.gov/pubs/id/21141 .
Citation Updated: 2011-01-03 20:21:56