{
  "id": "UN1153",
  "name": "pound per cubic yard",
  "ml_name": "ip_lb.yd-3",
  "symbol": "lb.yd-3",
  "reference": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#P"
}