Hawaii Mapping Research Group (HMRG) Bathymetry/Sidescan-formatted processed data files. Ping headers contain an IGRF magnetic reference field correction and a towfish compass correction. File name extension = -dascc. These data files contain the same corrected towfish navigation as the precursor "dasc" files and were generated by the Hawaii Mapping Research Group. A TAR bundle containing all raw, processed and derived data sets for the IMI30 system from this cruise is available upon request.

Initial set of Hawaii Mapping Research Group (HMRG) Bathymetry/Sidescan-formatted data files. File name extension = .btyw. Bathymetry values are raw and include outliers. These data files were generated by the Hawaii Mapping Research Group. A TAR bundle containing all raw, processed and derived data sets for the IMI30 system from this cruise is available upon request.

Hawaii Mapping Research Group (HMRG) Bathymetry/Sidescan-formatted data files. Bathymetry values have undergone basic cleaning to remove outliers (file name extension = .btywp). These data files were generated by the Hawaii Mapping Research Group. A TAR bundle containing all raw, processed and derived data sets for the IMI30 system from this cruise is available upon request.