Abstract Cornelius Hedges (1831-1907) was a pioneer, miner and attorney who lived in Helena, Montana. This collection consists primarily of diaries (1849-1857, 1863-1893, 1906-1907), covering his education at Yale College, his travel to Montana Territory in 1864 via the Bridger Cutoff trail, and his participation in the Washburn-Doane Expedition of 1870 to what became Yellowstone Park. There is also incoming correspondence, financial records, legal documents, and materials from other family...