{
  "schema_version": "1.0",
  "codex": "energy",
  "entry": {
    "id": "mines_jharia",
    "status": "active",
    "url_html": "https://thecodex.expert/energy/mines/jharia/",
    "name": "Jharia Coalfield \u2014 Underground Fires Burning Since 1916",
    "type": "asset",
    "definition": {
      "canonical": "Jharia Coalfield (23.76N 86.42E), Dhanbad district, Jharkhand, India. Geological extent: approximately 450 km\u00b2 in the Damodar Valley coalfield system. Total geological reserves: approximately 19.4 billion tonnes (GSI, Geological Survey of India). Proven reserves accessible: approximately 10\u201312 billi"
    },
    "provenance": {
      "author": "The Codex (Let Us Do It For U)",
      "created": "2026-05-05",
      "last_updated": "2026-05-05",
      "confidence": "high",
      "citation": "\"Jharia Coalfield \u2014 Underground Fires Burning Since 1916\", The Energy Codex, https://thecodex.expert/energy/mines/jharia/, last updated 2026-05-05."
    }
  }
}