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| 0000067716-23-000116.txt | 2023-11-17 08:33:40 | |
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| mdu-20231116.xsd | 2139 | 2023-11-17 08:33:40 |
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| mdu-20231116_htm.xml | 2827 | 2023-11-17 08:33:40 |
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