Revision History for USGS Open-File Report 80-1245 M.G. Bonilla, H.A. Villalobos, and R.E. Wallace Exploratory Trench Across the Pleasant Valley Fault, Nevada ----------------------------------------------------- Posted online at http://pubs.usgs.gov/of/1980/1245/ June 4, 2012 Initial release in paper form 1980 -----------------------------------------------------