{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Erich H. Peitzsch", "hasEmail": "mailto:epeitzsch@usgs.gov"}, "description": "This dataset includes 2055 digital images of tree ring samples from avalanche paths in southeast Alaska, northwest Montana and western Colorado, USA. There is also a .csv file with metadata for each scan located at the bottom of the zipped folder list in the attached file section.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P1NIYIOX", "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.67fead3bd4be02350c26096b.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_67fead3bd4be02350c26096b", "keyword": ["Alaska", "Colorado", "Montana", "Registry of Scientific Collections", "USGS:67fead3bd4be02350c26096b", "avalanche", "biota", "climatology", "climatologyMeteorologyAtmosphere", "composite image", "digital image", "image collections", "image mosaics", "landscape disturbance", "tree ring", "tree ring analysis"], "modified": "2026-02-12T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-135.0559, 37.8707, -105.8239, 58.8483", "theme": ["geospatial"], "title": "Preservation of tree-ring datasets from southeast Alaska, northwest Montana and western Colorado, USA, for climate and hazard research and understanding societal impacts 2026"}