Abstract: Records of the Northern Chief Iron Company, a Wausau (Wis.) based company which was the owner and lessor of iron ore rich lands on the Gogebic range in northeastern Wisconsin. Included in the collection are administrative records consisting of correspondence, quit claims, deeds, land patents, mine track grants to railroads, and court records from various land disputes. Also included are agreements with various mining companies consisting of leases, monthly mining reports, royalty receipts, and correspondence. The financial records of the company include corporate income tax returns, capital stock tax forms, stockholder information, tax deeds and tax certificates, and leases and sales.