{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "U.S. Geological Survey, Nebraska Water Science Center, Midcontinent Region", "hasEmail": "mailto:dc_ne@usgs.gov"}, "description": "This dataset is the raster, in feet, of the potentiometric-surface map, spring 2020, Mississippi River Valley alluvial aquifer (MRVA). The raster cell size is 1,000 meters; the raster altitude data was referenced to the North American Vertical Datum of 1988 (NAVD 88). The raster was interpolated using (1) most of the available groundwater-altitude (GWA) data from wells and surface-water-altitude (SWA) data from streamgages, and (2) potentiometric-surface contours.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P9CXDIPL", "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.5f7e763b82ce8dca4cf9e3da.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_5f7e763b82ce8dca4cf9e3da", "keyword": ["Arkansas", "Illinois", "Kentucky", "Louisiana", "Mississippi", "Mississippi Alluvial Plain", "Mississippi River Delta", "Mississippi River Valley alluvial aquifer", "Missouri", "Tennessee", "USGS:5f7e763b82ce8dca4cf9e3da", "aquifer", "farming", "groundwater", "groundwater altitude", "groundwater levels", "inlandWaters", "potentiometric surface", "surface-water altitude", "water table"], "modified": "2022-09-13T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-92.7985, 28.8983, -88.2445, 37.4166", "theme": ["geospatial"], "title": "Potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2020, raster format, in feet"}