Workmen pausing for a picture at Bryn Athyn Quarry. Stone for the building of the cathedral came from many different states, but a large portion came from the local quarry. The quarry was located on a hillside "above the Pennypack Creek less than a mile down the valley from the Cathedral site. The quarry was opened for the church's building, and closed before the edifice was completed. From it came the entire exterior masonry of the main structure, and much of the cut stone, as well as many pieces for the later additions to south and north . . ." (Glenn, E. Bruce. Bryn Athyn Cathedral: The Building of a Church. Bryn Athyn: Bryn Athyn Church, 1971. p. 101).