[Aerial view of Guyuan, China]

Oblique aerial photograph of Guyuan Xian, China, March 1936. The inscription notes that this is the headquarters of General Ma Hongbin. Photo from album page 44.

Inscription on album page: "The double wall of Ku Yuan, Kensu. Headquarters of Gen. Ma Hung Pien. Mar. 1936."

Part of the Julius A. Barr photograph album containing three hundred and thirty-nine (339) black-and-white photographs, circa 1934-1937. The photos cover Barr's time in China as a personal pilot for both Zhang Xueliang (also known as the "Young Marshal" and "Peter Chang") and General Chiang Kai-shek.