In 1862，he organized the Keystone Bridge Company to buildthe first iron bridge across the Ohio River .In 1873 he establishedthe J.Edgar Thomason Steel Mill .
In 1862，he organized the Keystone Bridge Company to buildthe first iron bridge across the Ohio River .In 1873 he establishedthe J.Edgar Thomason Steel Mill .
1862年，他创办了基斯东桥梁公司，承建横跨俄亥俄河上第一座铁桥。1873年他创办了杰·埃德加·托马森钢铁厂。