INCITS 47-1988(R1994)
用于信息交换的美国及其边远地区指定人口稠密地区、主要县区和其他实体的识别结构（以前的 ANSI X3.47-1988(R1994)）
Structure for the Identification of Named Populated Places, Primary County Divisions and other Entities of the U.S. and Its Outlying Areas for Information Interchange (formerly ANSI X3.47-1988(R1994))