The USDA aerial photo below was taken in 1939. It shows the Southampton township, Somerset County PA family farm that was owned by Christian Sturtz, then by John Sturtz, then by Daniel Korns, Jr., then by John Wilson Korns, then by Allen Lester Korns, and now by one of Allen's sons.
The photo below is a closeup of a section of the above 1939 photo, showing the Korns farmstead. The large barn was built by John Wilson Korns in 1925, and it burned down in 1942.
The USDA aerial photo below was taken in 1958. It shows the "New" barn, and the milk barn that was salvaged from Sommerville. The little house was being used as a chicken coop during this time frame.