Suggested citation and version history for Nakata, Jennifer, compiler, 2007, Hawaiian Volcano Observatory 1961 Quarterly Administrative reports: U.S. Geological Survey Open-File Report 2007-1321, 46 p. [http://pubs.usgs.gov/of/2007/1321/] Version 1.0, November 28, 2007 Re-released online at http://pubs.usgs.gov/of/2007/1321/ 1961 Initial release in paper form