{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Jenny L Hanson", "hasEmail": "mailto:jhanson@usgs.gov"}, "description": "Remote sensing technologies, such as high-resolution sonar, can be used to collect more detailed information about the benthic characteristics of macro habitats in the Illinois River. Multibeam echosounders collect multibeam and sidescan simultaneously, providing high-resolution images of the riverbed. Sidescan images, in raster format, show the recorded intensity of acoustic signal returns from the riverbed. The acoustic data were collected from the East Pit of the Hanson Pits (where accessible) of the Marseilles reach June 27, 2018, and August 25, 2020.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P9IHNSFT", "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.60b8edf7d34e86b9388a665f.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_60b8edf7d34e86b9388a665f", "keyword": ["Grundy County", "Illinois", "Physical Habitats and Geomorphology", "USGS:60b8edf7d34e86b9388a665f", "benthic ecosystems", "freshwater ecosystems", "invasive species", "mapping", "multibeam sonar", "river", "river channel", "sidescan sonar"], "modified": "2026-04-15T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-88.46810, 41.33320, -88.43130, 41.34920", "theme": ["geospatial"], "title": "Illinois River, Hanson Pits,East Pit, Sidescan Image Mosaic, 2018-2020"}