Page 3 of The Arcadian Observer, Official Publication of the United States Army Balloon School, Arcadia, California. September 1918 Supplement. Reads: Colonel W. N. Hensley Jr. Commanding. Negative and print were made for the grant funded Local History Digital Resources Project 2006-2007. A digital image of this photograph is file name: caarpl_111 on LHDRP 2006-2007 Disc 9 of 14. See black box labeled Arcadia History Room Media Box.