{
  "id": "UN1197",
  "name": "ton, long, per cubic yard",
  "ml_name": "ip_ton_{long}.yd-3",
  "symbol": "ton.yd-3",
  "reference": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#T"
}