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The Big Thicket National Preserve was created to protect 84,000 acres of land from lumber industries

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Whenever there was coal near the surface, they used strip mining. It is now required that they replace the land they stripped.

Strip mining was like biting into an apple; they just stripped the land until they got to the coal.

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In the 1870s, railroads started to use coal for fuel instead of wood, because it was much cheaper and much more efficient.

The picture below shows a train burning coal for fuel.

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The Kirby Lumber Company at one time controlled more than 300,000 acres of Texas pine lands, and operated 14 major sawmills.

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John Henry Kirby was a pioneer in the lumber industry.

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The scrip that workers earned from the company that employed them could only be spent in that company's company town.

Scrip is much like a gift card.