Boyd Kreglow, President & CEO, inside the coal breaker plant at Blashak Coal, Mahanoy City, Pennsylvania, U.S., July 13, 2020.

Owner Rick Bender, 61, discusses the sale of coal on his cell phone at Superior Coal Preparation Plant in Hegins, Pennsylvania, U.S., July 14, 2020.

A worker loads a coal cart in an underground anthracite mine in Silver Creek, Pennsylvania, U.S., July 15, 2020.

Anthracite coal at a strip mine in New Castle, Pennsylvania, U.S., July 13, 2020.

Robert Donmoyer, 80, stands at a pickup truck parked at Donmoyer Auto, Tremont, Pennsylvania, U.S.,July 7 2020.

A worker removes waste rock from anthracite coal at Superior Coal Preparation Plant in Hegins, Pennsylvania, U.S., July 14, 2020.

A Trump2020 sign is seen in the window of the Independent Miners & Associates office, Tremont, Pennsylvania, U.S., July 9, 2020.

A car turns the corner at Coal street, Pottsville, Pennsylvania, U.S., July 10, 2020.

A pile of anthracite coal at Superior Coal Preparation Plant in Hegins, Pennsylvania, U.S., July 14, 2020.

Larry Renninger, 58, watches as a truck is loaded with anthracite coal at Superior Coal Preparation Plant in Hegins, Pennsylvania, U.S., July 14, 2020.

Jarrod Gieniec (R), 40, prepares for a blast underground at Alfred Brown Mine, Silver Creek, Pennsylvania, U.S., July 15, 2020.

(L-R) Angela Guzman, 15, straightens Jennifer Figueroa's, 22, hair while Joancy Peguero, 2, waits on the steps of their house in Mahanoy City, Pennsylvania, U.S., July 13, 2020.

Heavy equipment excavate anthracite coal from a strip mine in New Castle, Pennsylvania, U.S., July 13, 2020.

Gary Hemerly, 46, monitors processing at a coal breaker plant in Mahanoy City, Pennsylvania, U.S., July 13, 2020.

Plant control buttons inside the Superior Coal Preparation Plant in Hegins, Pennsylvania, U.S., July 14, 2020.

A pile of processed anthracite coal at Superior Coal Prep Plant, Hegins, Pennsylvania, U.S., July 14, 2020.

An old access road to an anthracite strip mine is gated closed in New Castle, Pennsylvania, U.S., July 9, 2020.

Josh Rothermel, 33, walks into the entrance of an anthracite drift mine in Pottsville, Pennsylvania, U.S., July 10, 2020.

A controls board inside a coal breaker plant in Mahanoy City, Pennsylvania, U.S., July 13, 2020.

(L-R) Joe, Gary, Christine, Liz, Geraldine, Sam relax on the sidewalk in Minersville, Pennsylvania, U.S., September July 9, 2020.

'Chip' Charles Eichenberg, 72, excavates anthracite coal from a strip mine in New Castle, Pennsylvania, U.S., July 13, 2020.

Dave Shoffler, 37, operates a conveyer loaded with anthracite coal in Pottsville, Pennsylvania, U.S., July 10, 2020.

Robert Donmoyer, 80, stands in his office at Donmoyer Auto, Tremont, Pennsylvania, U.S., July 9, 2020.