Supplementary materials provided in the Leg 187 IR Volume include structural logs, curation data, photographic logs, microbiology table, and thin sections. These files should be viewed with appropriate software (Microsoft Excel 97/98). The file structure is listed below: STR_LOGS SITE1152.XLS: Structural data for Site 1152. SITE1153.XLS: Structural data for Site 1153. SITE1154.XLS: Structural data for Site 1154. SITE1155.XLS: Structural data for Site 1155. SITE1156.XLS: Structural data for Site 1156. SITE1157.XLS: Structural data for Site 1157. SITE1158.XLS: Structural data for Site 1158. SITE1159.XLS: Structural data for Site 1159. SITE1160.XLS: Structural data for Site 1160. SITE1161.XLS: Structural data for Site 1161. SITE1162.XLS: Structural data for Site 1162. SITE1163.XLS: Structural data for Site 1163. SITE1164.XLS: Structural data for Site 1164. CURATION.XLS: Leg 187 curation data. PHOTOLOG.XLS: Leg 187 digital photomicrograph log. MICROBIO.XLS: Leg 187 master microbiology table. T_SECT 1152_TS.XLS: Thin-section data table, Site 1152. 1153_TS.XLS: Thin-section data table, Site 1153. 1154_TS.XLS: Thin-section data table, Site 1154. 1155_TS.XLS: Thin-section data table, Site 1155. 1156_TS.XLS: Thin-section data table, Site 1156. 1157_TS.XLS: Thin-section data table, Site 1157. 1158_TS.XLS: Thin-section data table, Site 1158. 1159_TS.XLS: Thin-section data table, Site 1159. 1160_TS.XLS: Thin-section data table, Site 1160. 1161_TS.XLS: Thin-section data table, Site 1161. 1162_TS.XLS: Thin-section data table, Site 1162. 1163_TS.XLS: Thin-section data table, Site 1163. 1164_TS.XLS: Thin-section data table, Site 1164.