l777wg.m77t - MGD77 data file for Geophysical data from field activity L-7-77-WG in Western Gulf of Alaska from 07/03/1977 to 07/22/1977

• Main Authors: U.S. Geological Survey, Coastal and Marine Geology Program
• Format: Dataset
• Language: unknown
• Published: USGS Science Data Catalog 2013
• Subjects: geoscientificinformation; oceans; Marine Geology; Marine Geophysics; Marine Gravity Field; Marine Magnetic Field; Magnetic Anomalies; Bathymetry; Water Depth; Seafloor Topography; AK; Alaska; USA; Western Gulf of Alaska; Gulf of Alaska; walrus*
• Online Access: https://search.dataone.org/view/ecefea88-7ae9-49b2-88af-1a53a4000710

Single-beam bathymetry, gravity, and magnetic data along with DGPS navigation data was collected as part of field activity L-7-77-WG in Western Gulf of Alaska from 07/03/1977 to 07/22/1977, http://walrus.wr.usgs.gov/infobank/l/l777wg/html/l-7-77-wg.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/l777wg/html/l-7-77-wg.bath.html, http://walrus.wr.usgs.gov/infobank/l/l777wg/html/l-7-77-wg.grav.html, and http://walrus.wr.usgs.gov/infobank/l/l777wg/html/l-7-77-wg.mag.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.