b174ar.m77t - MGD77 data file for Geophysical data from field activity B-1-74-AR in Arctic from 07/13/1974 to 08/30/1974

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: July 16, 2025 | Last Modified: 20201019

Single-beam bathymetry, gravity, and magnetics data along with transit satellite navigation data was collected as part of field activity B-1-74-AR in Arctic from 07/13/1974 to 08/30/1974, http://walrus.wr.usgs.gov/infobank/b/b174ar/html/b-1-74-ar.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/b/b174ar/html/b-1-74-ar.bath.html http://walrus.wr.usgs.gov/infobank/b/b174ar/html/b-1-74-ar.grav.html and http://walrus.wr.usgs.gov/infobank/b/b174ar/html/b-1-74-ar.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.

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AK Alaska Arctic Arctic Ocean Bathymetry Magnetic Anomalies Marine Geology Marine Geophysics Marine Gravity Field Marine Magnetic Field Seafloor Topography USGS:a3a03082-142e-4c31-a8b0-a2c2f610ebf4 Water Depth bathymetry bathymetry and elevation bathymetry measurement distributions geoscientificinformation gravimeter measurement gravimetry magnetic field observations magnetometer measurement marine geophysics oceans single-beam echo sounder

Complete Metadata

@id	http://datainventory.doi.gov/id/dataset/2c89f175a3695ce14366c7b1a88de910
bureauCode	[ "010:12" ]
identifier	USGS:a3a03082-142e-4c31-a8b0-a2c2f610ebf4
spatial	-173.10616,63.62852,-155.15797,72.48098
theme	[ "geospatial" ]

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