Upper Mississippi-Salt

{
  "id": "MLC-T-ENV-029239",
  "term": "Upper Mississippi-Salt",
  "field": "Environment",
  "definition": "The Mississippi River Basin below the confluence with the Des Moines River Basin to the confluence with the Missouri River Basin, excluding the Illinois River Basin. Illinois, Iowa, Missouri. Area = 9970 sq.mi.",
  "subject": "Locations",
  "references": [
    "USGS Water Resources of the United States. Boundary Descriptions and Names of Regions, Subregions, Accounting Units and Cataloging Units"
  ],
  "url": "https://mlchart.com/terminology/environment/upper-mississippi-salt/"
}