Boart Longyear John Hoffmeister as president and chairman of the board of the company. FACTS was dissolved when Boart International (a wholly owned subsidiary of Anglo American) bought out CDP's interest in Longyear. In 1974, Boart International invested capital which helped Longyear to become the world's leading manufacturer of diamond bits. Boart Longyear engineers in North Bay, Ontario, secured a reliable source of high-performance synthetic diamonds, which triggered the development of a new bit design – the impregnated-diamond bit. With decades of powder metallurgy experience behind them, Longyear engineers set out to develop a new crown that consisted of synthetic diamonds evenly
Boart Longyear Boart Longyear Boart Longyear is a global mineral exploration company founded in 1890. It is headquartered in Salt Lake City, Utah, United States. Regional offices and operations are located in the Asia-Pacific region, North and South America, Europe, and Africa. The company provides mineral exploration services and drilling products for the global 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. In 1888, Edmund J. Longyear, a mining engineer from the first graduating class at the Michigan Mining School, drilled the first