China Dimensions Data Collection: China Administrative Regions GIS Data: 1:1M, County Level, 1990

The China Administrative Regions GIS Data: 1:1M, County Level, 1990 consists of geographic boundary data for the administrative regions of China as of 31 December 1990. The data includes the geographical location, area, administrative division code, and county and island name. The data are at a scale of one to one million (1:1M) at the national, provincial, and county level. This data set is produced in collaboration with the Center for International Earth Science Information Network (CIESIN), Chinese Academy of Surveying and Mapping (CASM), and the University of Washington as part of the China in Time and Space (CITAS) project.

《中国行政区划地理信息系统数据：1:1M，县级行政区，1990年》包含截至1990年12月31日中国行政区划的地理边界数据。该数据集涵盖了地理位置、面积、行政区域代码以及县和岛屿名称等信息。数据比例尺为1:1M，适用于国家、省和县级行政级别。本数据集由国际地球科学信息网络中心（CIESIN）、中国测绘科学研究院（CASM）和华盛顿大学合作制作，作为《时空中的中国》（CITAS）项目的一部分。