Henry Clark was one of the founders of East Helena, Montana. This collection consists of outgoing correspondence (1864-1895) of Clark and other members of his family to his relatives in Iowa, including extensive comments on frontier and pioneer life in Virginia City and Helena, Montana Territory.
Cornelius Hedges (1831-1907) was a pioneer Helena, Montana, miner and attorney. 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 for other family members.