Rock is the source of natural material from which crushed stone, sand, and gravel are made; the rock most suitable for making good aggregates.
"Rock" is in the NAICS Code "212392"
(Phosphate Rock MiningSintered phosphate rock mining and/or beneficiating)
"Rock" is in the HS Code "0306.11"
- -- Rock lobster and other sea crawfish (Palinurus spp., Panulirus spp., Jasus spp.)
"Rock" is in the UNSPSC Code "20101504"
List of books: Rock