| Source: United Railways Bulletin, 1915-1923 (published monthly for distribution among the employees of the United Railways Company of St. Louis) (incomplete run) Location: St.L. / 05 / Un35 | |
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| Subject: | Mill Creek Relief Sewer |
| Notes: | "A Little Visit to the Mill Creek Relief Sewer" |
| Volume: | I |
| Issue: | 11 |
| Date: | November 15, 1915 |
| Page: | 9, 15 |
