| 41. | Horizontal oil or gas wells were unusual until the 1980s.
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| 42. | Raw natural gas may come from any one of three types of gas wells:
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| 43. | Edwards noticed the bubbles two years ago, after gas wells were drilled on his land.
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| 44. | However, a defeaning sound from the gas well continues.
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| 45. | And at least two other districts in western Pennsylvania have gas wells on school property.
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| 46. | The gas wells still need city and state approval.
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| 47. | The rate of the gas wells is very high.
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| 48. | This will lead to fewer gas wells coming on stream in 1996, " he added.
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| 49. | The 69-mile long barrier island has had natural gas wells on it since the 1930s.
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| 50. | A natural gas well field exists west of town.
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