| 21. | The land contained part of a massive anthracite coal field.
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| 22. | The mine was located at Cascade Mountain, which contains high grade anthracite coal deposits.
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| 23. | Hulls were usually iron or steel and boilers were fired with Appalachian anthracite coal.
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| 24. | Anthracite coal played a major role in creating a need for the Boonton Branch.
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| 25. | During the construction process near Cross Hands several outcrops of anthracite coal were discovered.
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| 26. | Until about 1900, nearly all anthracite coal breakers were labor-intensive.
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| 27. | The usage of anthracite coal in the iron industry increased demand for hard coal.
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| 28. | Thirty-seven years later the production of anthracite coal had reached its peak in Pennsylvania.
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| 29. | The watershed is in the Western Middle Anthracite Coal Field.
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| 30. | Energy needs are also met by importing bituminous and anthracite coal and crude petroleum.
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