Valley fill mining

{
  "id": "MLC-T-ENV-029469",
  "term": "Valley fill mining",
  "field": "Environment",
  "term_source": "Valley Fill Mining",
  "definition": "Surface coal mining operations occurring on mountaintops, ridges, and other steep slopes that produce excess spoil and dispose of it in heads of hollows or valleys of streams. Surface coal mining operations occurring on mountaintops, ridges, and other steep slopes that produce excess spoil and dispose of it in heads of hollows or valleys of streams.",
  "subject": "Biological substances",
  "references": [
    "EPA Mountaintop Mining Valley Fills Draft Environmental Impact Statement Glossary at http://www.epa.gov/region3/mtntop/pdf/VIII_Glossary.pdf"
  ],
  "url": "https://mlchart.com/terminology/environment/valley-fill-mining/"
}