Suggested citation and version history for Nakata, Jennifer, compiler, 2007, Hawaiian Volcano Observatory 1975 Annual Administrative report: U.S. Geological Survey Open-File Report 2007-1335, 124 p. [http://pubs.usgs.gov/of/2007/1335/]. Version 1.0, December 19, 2007 Re-released online at http://pubs.usgs.gov/of/2007/1335/ 1975 Initial release in paper form