![](http://www.alamy.com/thumbs/6/C427D330-32EB-4513-8F43-6E3B9AFD7540/2M3H4PE.jpg)
Mineral Industries, The Pennsylvania State College, State College, Pa. , Universities & colleges, Tichnor Brothers Collection, postcards of the United States
Size: 3339px × 2112px
Photo credit: © piemags/DCM / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: