| Source: Mercantile and Manufacturing Scrapbooks, circa 1948-1977 Location: Reading Room / St.L. / 658 / M533 | |
 | |
| Corporate Name: | Union Electric Co. |
| Volume: | 4 |
| Page: | 129 |
| Remarks: | three articles regarding Union Electric's objection to proposed sulfur dioxide regulations, 1970 |
