Version history for Lienkaemper, J.J., Williams, P. L., Dawson, T.E., Personius, S.F., Seitz, G.G., Heller, S.J., and Schwartz, D.P., 2003, Logs and data from trenches across the Hayward Fault at Tyson's Lagoon (Tule Pond), Fremont, Alameda County, California: U.S. Geological Survey Open-File Report, 03-488 [available on the World Wide Web at http://pubs.usgs.gov/of/2003/of03-488/ ] Version 3.0, September 23, 2005 Delineates additional paleoearthquake horizon on all logs to be consistent with interpretations in other reports (Lienkaemper and others, 2002; Lienkaemper and others, 2005). Version 2.0, May 12, 2005 Migrated the report to the new USGS publications server at http://pubs.usgs.gov/of/2003/of03-488/ Corrects stratigraphic correlations across the pond based on continuous trenching across the entire pond in 2005 (Lienkaemper and others, 2005). Logs of trenches within the pond and across the eastern fault trace have been corrected (sheets 1, 3, 4, 6, 7 and 8.) Version 1.0, Dec. 22, 2003 Intital release online at http://geopubs.wr.usgs.gov/open-file/of03-488/