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| 0000950170-24-089042.txt | 2024-08-01 11:35:07 | |
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| bkh-20240630.htm | 3494644 | 2024-08-01 11:35:07 |
| bkh-20240630.xsd | 1560047 | 2024-08-01 11:35:07 |
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| report.css | 2767 | 2024-08-01 11:35:07 |
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