St. Joe Minerals
| Company type | Public |
|---|---|
| Industry | Mining |
| Predecessor | St. Joseph Lead Company |
| Founded | March 25, 1864 in New York City, United States |
| Founder | Lyman W. Gilbert and associates |
| Defunct | 1981 |
| Fate | Merged with Fluor Corporation |
| Headquarters | New York City , United States |
Area served | United States, Argentina |
| Products | Lead, zinc, silver, coal |
St. Joe Minerals Corporation was a prominent American mining enterprise and ranked as the top U.S. producer of lead and zinc at the time it merged with Fluor Corporation in 1981. The company was originally established as the St. Joseph Lead Company on March 25, 1864, in New York City by Lyman W. Gilbert and associates, beginning with the acquisition of a lead mine located in Bonne Terre, Missouri.
During the leadership of president J. Wyman Jones and mine superintendent Charles B. Parsons, the firm implemented pioneering diamond drilling methods that facilitated expansion despite challenges such as the destruction of its milling facilities by fire in 1883. Growth was further driven through the consolidation of rivals including the Doe Run Company and Desloge Consolidated Lead Company, with ongoing involvement from the Desloge family on its board of directors.
By 1923, St. Joe managed approximately 250 miles of underground railways serving vital mining communities in Missouri such as Flat River, Leadwood, and Desloge. Two years later, in 1925, the company broadened its operations internationally by initiating lead, zinc, and silver extraction at the Aguilar mine in Argentina near the border with Bolivia.
The firm expanded its zinc mining footprint in the northeastern United States through acquisitions including Northern Ore Company (New York) and the New Jersey Zinc Company in 1943. Throughout the 1940s, St. Joe increased its presence within Missouri’s Lead Belt region by developing sites around Indian Creek and Viburnum.
Holding control over nearly 70% of lead production within the Southeast Missouri Lead District, St. Joe diversified into coal mining by purchasing A.T. Massey in 1974, which led to a corporate name change to St. Joe Minerals. In 1981, amid elevated metal prices, Fluor Corporation successfully acquired St. Joe by outbidding Seagrams. However, following a downturn in metal markets, Fluor divested several assets: zinc operations went to Horsehead Corporation (1987), lead interests transferred to Doe Run Company, and coal holdings returned to Massey Energy.
Notably, the Bonne Terre Mine along with its Administration Building have been recognized on the National Register of Historic Places.