Shaft

{
  "id": "MLC-T-ENV-025379",
  "term": "Shaft",
  "field": "Environment",
  "definition": "Excavation of limited area compared with its depth, made for finding or mining ore or coal, raising ore, rock or water, hoisting and lowering men and materials, or ventilating underground workings.",
  "references": [
    "EPA Abandoned Mine Site Characterization and Cleanup Handbook at http://www.epa.gov/superfund/policy/remedy/pdfs/amscch.pdf"
  ],
  "url": "https://mlchart.com/terminology/environment/shaft/"
}