According to Mr. Cornelius:
The corner stone of Packer Hall laid July 1st of this year [1866]. The stone for the building came by rail, in the rough, and a side track was laid from the R.R. in the valley, up what is now Brodhead Avenue, cutting across campus, and up the hill to the site of the building where it was unloaded, shaped and finished for the stonemasons to lay. Careful scrutiny of the ground on the campus still show in places the course the track took through campus.
-Excerpt from The Lehigh Story, pg 14. To read more about Mr. Cornelius' history of Lehigh University, please click the link below.
*Postcard from Special Collections, Reference Number LUPC LUPC0100, Early Twentieth Century