Hummelstown, PA, United States
Hummelstown Brownstone Quarries. High quality brownstone was quarried near here, 1863-1929, and sold across the nation as a preferred masonry material of builders. The Hummelstown Brownstone Company, founded by Allen Walton, employed immigrant skilled stone-cutters and laborers in its quarries.
Listen to the audio guide for Blue plaque № 28791 Free on WIP — starts by itself when you arrive, even with the screen off