l678ar.m77t - MGD77 data file for Geophysical data from field activity L-6-78-AR in Arctic from 08/26/1978 to 09/20/1978
Single-beam bathymetry and gravity data along with DGPS navigation data was collected as part of field activity L-6-78-AR in Arctic from 08/26/1978 to 09/20/1978, http://walrus.wr.usgs.gov/infobank/l/l678ar/html/l-6-78-ar.meta.html
These data are reformatted from space-delimited ASCII text files located in the Coastal …