| Source: Union Electric Company employee magazines (titled Wire and Pipe, Union Electric Magazine, Union Electric Quarterly, and Union Electric News), 1913-1969 (incomplete run) Location: St.L. / 05 / Un3, Un3b, Un3m | |
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| Last Name: | Yowell |
| First Name: | E. |
| Middle Name: | Eugene |
| Volume: | 27 |
| Issue: | 10 |
| Date of Publication: | October, 1939 |
| Page: | 13 |
