| Source: Coal Men of America: A Biographical and Historical Review of the World's Greatest Industry (Chicago: The Retail Coalman, 1918) Location: MO /338.2 / H877c | |
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| Last Name: | Hegwein |
| First Name: | Harry |
| Middle Name: | F. |
| Birth Date: | 1882 |
| Page: | 191 |
| Remarks: | resident of St. Louis, Missouri |
