| Source: The St. Louis Builder/The Builder/The Realty Record and Builder, 1899-1911 (incomplete run) Location: Oversize / St.L. / 05 / R22 | |
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| Corporate Name: | W.P. Hartman Granitoid & Concrete Construction Co. |
| Address: | 1339 Bayard Ave. |
| Advertisement: | yes |
| Volume: | XII |
| Issue: | 7 |
| Date of Publication: | July 1905 |
| Page: | 70 |
