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
Solid Waste Disposal Act of 1965 and Solid Waste Amendment (HSWA). After the industrial revolution lead to increases in municipal waste, local and regional governments and private individuals developed many diverse, and frequently unsafe or unsanitary, disposal technologies for disposal of this waste. The most frequent disposal method used was open dumps and burning of trash. As the Germ Theory of Disease developed in the late 19th and early 20th century, this led to increased attention of waste disposal as a public health crisis in the United States. Due to increasing demand for better waste management during the 1960s, the United States passed SWDA in 1965.