Former Funkhouser Quarry in Delta to be sold at auction

(Aegis) ... She said the quarry dates back to the 1840s, when speculators from Lancaster County started moving west to York County.
Slate's heyday was around the early 1900s and it was primarily used as roofing material, until the Industrial Revolution produced synthetic shingles that were cheaper, she said.
The quarry's manpower largely left during World War I, she said.
Robinson noted the site still contains slate, and remaining piles of it were used for various purposes. In the 1950s, the slate was taken for highway paving material.
Hard facts about Funkhouser Quarry's operating history are hard to come by. Continued