Their specific gravity may be 3.441, and they contain oxalate of lime to the extent of 81 per cent, together with carbonates of lime and magnesia and organic matter.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
Urea and carbonates may be present in excess, the feed may be given dry, and drinking water may be deficient in quantity without any deposition of stone or gravel.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
But it has a power of combining with certain other things and forming substances which, because they are combinations of carbon, are called carbonates.
"A Handbook of Health"
Woods Hutchinson