A writer's visit to the Coal Region and his fascinating, but scathing opinions about what he found - Summer of 1873
A visit to the Coal Region in the summer of 1873 – The Atlantic Magazine

A writer's visit to the Coal Region and his fascinating, but scathing opinions about what he found - Summer of 1873
In December 1873, a 4,000 foot tunnel was completed through Big Lick Mountain in Dauphin County. Williamstown Tunnel opened up Bear Valley for profitable coal mining.
An 1873 letter in the Boston Globe exhibits many signs of a Molly Maguire conspiracy theory in the Coal Region.