Underestimated legacy of historical metallurgy and modern contamination transformation in southwestern China: insights from crater lake sediments - Wanping Shi; Shiwei Jiang; Yong Luo; Yiyan Chen; Ming Ji; Hongfei Zhao; Xuanqiao Liu; Liqiang Xu; Xiangzhong Li; Zhuoya Zhang; Xin Zhou (Environmental Pollution, 2026)