| Beehive Coke Ovens |
I gathered information on Beehive Coke ovens from several books thanks to Google Books:
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| Shoaf | |||
 Coke ovens at Shoaf, Pennsylavnia. This was one of the last beehive coke yards in the nation to close. They were still operating at a profit in 1972, but were closed down by the state since they couldn’t comply with new clean air standards.
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looks good