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. 2023 Jan 20;195(2):312. doi: 10.1007/s10661-023-10932-4

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Fig. 2 — Physical characteristics of some sampling sites investigated. A Mine spoils from underground rock ores (URS), B mine spoils from an oxide gold ore deposit (OXS), C mine spoils from an alluvial gold ore deposit (AVS), and D forest area for control sampling (FS)