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Coal mining

Coal mining . Dangers in the mines. Flooding. Fire damp. Choke damp There was also cave-ins. Coal mines in the 19 th century. Roofs falls were common as wooden pit props used to support the mine they rooted. Eventually these were replaced with metal pit props.

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301 views • 13 slides

The Slave Economy Page 479

The Slave Economy Page 479. Views on Slavery. Slavery had been a part of American life since colonial days. Some people thought slavery was wrong. Most Northerners once thought that all Southerners owned slaves. The Slave Economy. Southern Slaveholders in 1860: 75% owned no slaves

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267 views • 12 slides

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Coal mining

The Slave Economy Page 479