In which year did Canada open its first asbestos mine?

Canada opened its first asbestos mine in 1877, marking the beginning of a significant industry that would shape the country's mining history. This year is notable because it reflects the early industrial period when asbestos materials began to be recognized for their properties, such as heat resistance and durability. Asbestos mining in Canada would later expand, leading to the country becoming one of the largest producers of asbestos in the world. This early start highlights the historical context of mining in Canada and the subsequent development of related health and safety regulations in the field of occupational hygiene, particularly due to the health risks associated with asbestos exposure. Understanding this timeline is essential for recognizing the historical significance of asbestos in occupational health discussions.