Historical legacy mine ecological environment issues and ecological restoration project planning in the Hunan section of the northern slope of the Nanling Mountains
LI Jian, ZHENG Chanyu, JIANG Tao, XIA Le, CHEN Zhifeng, LAN Jianmei
Bulletin of Surveying and Mapping . 2025, (12): 139 -143,172 .  DOI: 10.13474/j.cnki.11-2246.2025.1224