The photograph by Michael Dockweiler shows the Schuylkill County mining community as it appeared in the late 19th century.
Claude Merchant's April 1865 poem summed up the feelings in Pottsville, Pennsylvania after the Confederate capital fell to US forces.
"We are men and all we ask is to be treated as such," wrote the miners in a public letter published during their 1886 strike.
And a plea to consider what the Confederate battle flag meant to the local soldiers who fought and died in the Civil War.
In May 1927, Henry Keiser described the Coal Region towns where he grew up as they looked in the 1850s.
On December 18, 1869, six people were killed when a mine cave-in swallowed their homes in Luzerne County.
A new tradition was born when Schuylkill County celebrated its first Thanksgiving in November 1845.
In 1906, Admiral Robley D. Evans declared anthracite coal a vital strategic resource and used the Civil War as an example.
Coal Region photographer A.M. Allen captured images of a colliery near Mahanoy City in the years after the Civil War.
A newspaper clipping from 1872 takes us into a long-demolished building at the heart of Williamstown, PA.