Supplementary material Supplementary material for this Expedition 301 volume includes high-resolution images of Juan de Fuca Ridge (bathymetry and swath maps) in Adobe Illustrator, Site U1301 expanded coring summary, piece log, and structure data in Microsoft Excel and historical CORK data. HI_RES (High-resolution Images) 102_F02.EPS 102_F03.EPS 102_F04.EPS 102_F05.EPS COR_SUM (Expanded Coring SUmmary) U1301D.XLS PIECELOG (Piece Log) U1301.XLS STR_DATA (Structure Data) U1301B.XLS 301_104 (Chapter files) 857D 1991ALV.DAT 1992PGC.DAT 1997ALV.DAT 1999ALV.DAT 2000ALV.DAT 2003JAS.DAT 858G 1991ALV.DAT 1992ROP.DAT 1993ALV.DAT 1997ALV.DAT 1999ALV.DAT 1024C 1997ALV.DAT 1998MOD.DAT 1999ALV.DAT 2000ALV.DAT 2003JAS.DAT 1025C 1997ALV.DAT 1998MOD.DAT 1999ALV.DAT 2000ATL.DAT 1026B 1997ALV.DAT 1998ALV.DAT 1999ALV.DAT 1027C 1997ALV.DAT 1999ALV.DAT 2000ALV.DAT 2003JAS.DAT engfiles 97A24CEN.ZIP 97A25CEN.ZIP 98A26BEN.ZIP 99A24CEN.ZIP 99A25CEN.ZIP 99A26BEN.ZIP 99A27CEN.ZIP M9824CEN.ZIP M9825CEN.ZIP