Boart Longyear

International mineral exploration company Boart Longyear is an international mineral exploration company founded in 1890 in the United States. It is headquartered in Salt Lake City, Utah, with regional offices and operations in the Asia-Pacific region, North and South America, Europe, and Africa. The company provides mineral exploration services and drilling products for the mining industry and also has a presence in drilling water exploration, environmental sampling, energy, and oil sands exploration. As of 2018, it employed more than 5,000 people. Company history 1880s to Early 1900s Replica of E.J. Longyear's exploration diamond drilling rig on the Mesabi Range In 1888, Edmund J. Longyear, a mining engineer from the first graduating class at the Michigan Mining School, drilled the first diamond core hole in the Mesabi Iron Range in northern Minnesota. In 1890, he formed a contract diamond drilling company to serve the rapidly growing U.S. iron ore mining and steel industry. In 1903, Longyear and John E. Hodge formed a partnership called Longyear and Hodge to expand their business, which included contract drilling, shaft-sinking, mineral ventures, and related consulting work. In