Suggested citation and version history for: Bennett, M.J., Sneed, Michelle, Noce, T.E., and Tinsley, J.C. III, 2009, Cone penetration test and soil boring at the Bayside Groundwater Project in San Lorenzo, Alameda County, California: U.S. Geological Survey Open-File Report 2009-1050, 25 p. and 3 spreadsheets [http://pubs.usgs.gov/of/2009/1050/]. Version 1.0 May 13, 2009 Corrected graphics on some figures May 4, 2009 Initial release online at http://pubs.usgs.gov/of/2009/1050/