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 and Marine Geology Program (CMGP) InfoBank field activity catalog at http://walrus.wr.usgs.gov/infobank/l/l678ar/html/l-6-78-ar.bath.html and http://walrus.wr.usgs.gov/infobank/l/l678ar/html/l-6-78-ar.grav.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.

Data and Resources

Field Value
accessLevel public
bureauCode {010:12}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
datagov_dedupe_retained 20220721212438
identifier USGS:595a4be3-5c49-4ab0-8216-ce0be4fbbe86
metadata_type geospatial
modified 20201019
old-spatial {"type": "Polygon", "coordinates": [[[-176.25916, 64.47219], [-176.25916, 73.13313], [ -157.17506, 73.13313], [ -157.17506, 64.47219], [-176.25916, 64.47219]]]}
publisher U.S. Geological Survey
publisher_hierarchy Department of the Interior > U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash 21fc51464ae934b2efc7111320280ee184b556f0
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-176.25916, 64.47219], [-176.25916, 73.13313], [ -157.17506, 73.13313], [ -157.17506, 64.47219], [-176.25916, 64.47219]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • ak
  • alaska
  • amerigeo
  • amerigeoss
  • arctic
  • arctic-ocean
  • bathymetry
  • bathymetry-and-elevation
  • bathymetry-measurement
  • ckan
  • distributions
  • geo
  • geoscientificinformation
  • geoss
  • gravimeter-measurement
  • gravimetry
  • marine-geology
  • marine-geophysics
  • marine-gravity-field
  • national
  • north-america
  • oceans
  • seafloor-topography
  • single-beam-echo-sounder
  • united-states
  • usgs-595a4be3-5c49-4ab0-8216-ce0be4fbbe86
  • water-depth
isopen False
license_id notspecified
license_title License not specified
maintainer Gregory K. Miller
maintainer_email gmiller@usgs.gov
metadata_created 2025-11-22T23:58:22.986090
metadata_modified 2025-11-22T23:58:22.986094
notes 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 and Marine Geology Program (CMGP) InfoBank field activity catalog at http://walrus.wr.usgs.gov/infobank/l/l678ar/html/l-6-78-ar.bath.html and http://walrus.wr.usgs.gov/infobank/l/l678ar/html/l-6-78-ar.grav.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.
num_resources 2
num_tags 27
title 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