c179nc.m77t and c179nc.h77t: MGD77T data and header file for single-beam bathymetry data for field activity C-1-79-NC in Northern California from 05/01/1979 to 05/02/1979

Single-beam bathymetry data along with miniranger navigation data was collected as part of the U.S. Geological Survey cruise C-1-79-NC. The cruise was conducted in...单波束测深数据（single-beam bathymetry data）与迷你测距仪导航数据（miniranger navigation data）作为美国地质调查局（U.S. Geological Survey）航次C-1-79-NC的一部分被采集。该航次于……开展。