Revision History for USGS Open-File Report 2011-1164 Florence L. Wong, Robert J. Rosenbauer, Pamela L. Campbell, Angela Lam, Thomas D. Lorenson, Frances D. Hostettler, and Burt Thomas Macondo-1 Well Oil in Sediment and Tarballs from the Northern Gulf of Mexico Shoreline ----------------------------------------------------- Posted online at http://pubs.usgs.gov/of/2011/1164/ July 7, 2011 -----------------------------------------------------