{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Emily K Montgomery-brown", "hasEmail": "mailto:emontgomery-brown@usgs.gov"}, "description": "This data release contains data collected during campaign Global Navigation Satellite Systems (GNSS; formerly only the Global Positioning System or GPS) surveys conducted at Mount St. Helens. A survey in any given year may contain data from a subset of established sites depending on access, personnel, and the condition of the GNSS monument. For each site, we include raw data in binary or receiver-specific proprietary, Receiver INdependent EXchange (RINEX, .yyo), and compressed (Hatanaka compression, d.Z) file formats, field log sheets, and associated metadata information.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P13SRY69", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}, {"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.673cd4d6d34e6b795de6b475.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_673cd4d6d34e6b795de6b475", "keyword": ["GNSS", "GPS", "Geodesy", "Geophysics", "Global Navigation Satellite Systems", "Global Positioning System", "Ground motion", "Mount Saint Helens", "Mt. St. Helens", "USGS:673cd4d6d34e6b795de6b475", "Volcanic activity", "Washington", "geoscientificInformation"], "modified": "2026-06-22T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-122.3800, 46.0700, -122.0400, 46.4400", "theme": ["geospatial"], "title": "Campaign GNSS Measurements Collected at Mount St. Helens by the Cascades Volcano Observatory"}