TY - Data T1 - Rail map of Heihe River Basin A1 - Heihe project data management center DO - 10.12072/ncdc.westdc.db3755.2023 PY - 2020 DA - 2020-12-18 PB - National Cryosphere Desert Data Center AB - The railway distribution map is the basic data in the mapping process. For the convenience of users, we compiled the railway dataset of the Heihe River Basin based on the railway dataset distributed by the National Basic Geographic Information Center, the "Gansu Provincial Atlas" compiled by the Gansu Provincial Map Geographic Information Center, and the Tian Map and Gu Ge Map published by the China Surveying and Mapping Bureau. This data basically reflects the distribution status of railways in the surrounding areas of the Heihe River Basin around 2010The railway coding adopts the national standard for basic geographic information system data classification and coding - "Classification and Coding of Land Basic Information Data" (GB/T 13923-92), with a five digit code (National Basic Geographic Information Center 2010) DB - NCDC UR - http://www.ncdc.ac.cn/portal/metadata/1ae52a03-31b2-46e2-8439-c375fbc19cfc ER -