{
  "id": "UN1077",
  "name": "grain per gallon (U.S.)",
  "ml_name": "ip_gr.gal_{US}-1",
  "symbol": "gr.gal-1",
  "reference": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#G"
}