Complex sentence: For example, no unreported dead Monongah miner has ever been substantiated and there is no evidence that children died in the Mines 6 and 8, other than the twelve-year-old boys who were reported.
Split into simpler sentences: For example, no unreported dead Monongah miner has ever been substantiated. There is no evidence that children died in the mines, other than the twelve-year-old boys that were reported.