In which decade did the peak year for coal production in West Virginia occur?

The peak year for coal production in West Virginia occurred in the 1990s due to several factors, including increased demand for coal, advancements in mining technology, and an expanding market for coal both domestically and internationally. During this decade, coal production reached its highest levels, driven by a robust demand that supported the state's economy and infrastructure.

The 1990s were characterized by significant investment in the coal industry, leading to increased efficiency and output, which contributed to the peak in production. Factors such as deregulation and the need for energy sources during this time further cemented coal's role in the energy market. As a result, this decade stands out in West Virginia's history as a time of maximum coal production.