Hazard Stevens was born in Rhode Island in 1842 and educated in New England. His father, Major General Isaac I. Stevens was governor of the Washington Territory. Hazard served in the Indian war from 1855-1856 and later in the Civil War. Thereafter, he moved to Washington territory where he worked for the Oregon Steam Navigation Company, then as Internal Revenue collector form the Territory and eventually became a lawyer and worked for the Northern Pacific Railroad. Stevens, along with P. B. Van Trump, climbed what would later be named Mt. Rainier in the first recorded ascent to the summit. By the 1880s Stevens returned to the east coast, building a home in Dorchester Massachusetts. He became active in regional politics, including an unsuccessful run for congress. This collection contains correspondence, documents, diaries and ephemera related to Stevens life, professional pursuits and business matters. It also contains considerable information dealing with the life of his father and the history of his family, reaching back to the 19th century.