The NTCHS technical criteria for hydric soils were originally developed to produce a national list of hydric soils from an existing soils database, and the inclusion
For other uses, see SGD (disambiguation). The Singaporean dollar (Malay: Ringgit Singapura, sign: $; code: SGD) is the official currency of Singapore. It is normally abbreviated with the dollar sign $, or alternatively S$ to distinguish it from other dollar-denominated currencies. It is divided into 100 cents.
Special drawing rights (SDR) is the the currency of the IMF. Countries are loaned money by the IMF not in dollars or Euro etc, but in SDR's. They are made up of a basket of major world currencies that consists of the US dollar, pound, euro and yen.