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. Author manuscript; available in PMC: 2023 May 11.
Published in final edited form as: Min Metall Explor. 2021 Jan 7;38(1):655–668. doi: 10.1007/s42461-020-00364-w

Table 3.

Time in the mining industry for coal miners versus other miners

Mine subsector Coal miners Percent SSG miners Percent Industrial mineral miners Percent
Under 1 year 59 9.7% 149 11% 68 7.8%
1–5 years 136 22.3% 224 16.6% 164 18.8%
6–10 years 179 29.3% 177 13.1% 158 18.1%
11–15 years 103 16.9% 210 15.5% 120 13.7%
16–20 years 44 7.2% 146 10.8% 82 9.4%
More than 20 years 89 14.6% 445 32.9% 282 32.3%