Single-beam bathymetry data along with transit satellite navigation data was collected as part of field activity L-7-85-NC in Northern California from 09/23/1985 to 10/04/1985, http://walrus.wr.usgs.gov/infobank/l/l785nc/html/l-7-85-nc.meta.html These data are reformatted from space-delimited ASCII text files located in the Coastal and Marine Geology Program (CMGP) InfoBank field activity catalog at http://walrus.wr.usgs.gov/infobank/l/l785nc/html/l-7-85-nc.bath.html into MGD77T format provided by the NOAA's National Geophysical Data Center(NGDC). The MGD77T format includes a header (documentation) file (.h77t) and a data file (.m77t). More information regarding this format can be found in the publication listed in the Cross_reference section of this metadata file. [More]
||U.S. Geological Survey; Coastal and Marine Geology Program; Steele, William Clinton; Degnan, Carolyn H.; Deeter, Gary B.; and Riordan, Jean A.