The central conflicts in Gray Mountain are rooted in the real-world social and environmental consequences of the coal industry in Appalachia. The novel focuses specifically on mountaintop removal mining, a form of surface mining where explosives are used to blow apart mountain summits to access coal seams. As explained by the character Donovan Gray, the resulting waste of rock and topsoil is often dumped into adjacent valleys, creating “valley fills” that bury and contaminate headwater streams. In addition, companies knowingly construct slurry ponds, like the one above Hammer Valley in the novel, that contaminate the soil and water of local communities, causing high rates of cancer and other illnesses. Environmental protection agencies have confirmed that this practice has destroyed thousands of miles of streams in Appalachia, devastating local ecosystems and poisoning water sources. This environmental “rape of the land” (72) drives Donovan’s legal crusade against coal companies and directly mirrors the destruction of his own family’s property on Gray Mountain.

Equally central to the region’s social fabric is the public health crisis of coal workers’ pneumoconiosis, or black lung disease. Caused by inhaling coal dust, the disease is a fatal and incurable respiratory illness. After implementing legislation to protect miners, resulting in years of declining illness, government health agencies like the National Institute for Occupational Safety and Health (NIOSH) reported a dramatic resurgence of the most severe form of the disease in the 2000s, turning it into a modern epidemic, the result of changing legislation and manipulation of the legal system. The novel portrays the systemic difficulties miners face in securing compensation, a struggle powerfully illustrated by Mattie Wyatt’s account of her father’s 12-year battle for benefits that arrived only after his death. These interconnected crises of environmental ruin and public health underscore the profound power imbalance that Samantha encounters in Appalachian coal country.