backfilling

{
  "id": "MLC-T-ENV-002623",
  "term": "backfilling",
  "field": "Environment",
  "definition": "1. The filling in again of a place from which the rock or ore has been removed.\n\n2. The process of filling, and/or the material used to fill, a mine opening. In general refers to the material placed \"back\" to refill an excavation.\n\n3. The filling in again of a place from which the rock or oreHelp ore The naturally occurring material from which a mineral or minerals of economic value can be extracted profitably or to satisfy social or political objectives. has been removed.",
  "subject": "Land, waste and cleanup",
  "references": [
    "Abandoned Mine Lands (AML) Glossary",
    "IRS Coal Excise Tax - Appendix I, Glossary of Mining Terms"
  ],
  "url": "https://mlchart.com/terminology/environment/backfilling/"
}