N.E. Hansen's headquarters while conducting pear research at Saolin in northern China; written in pencil on the back: Saolin, China my headquarters for pears in the mountains 1924
N.E. Hansen papers - SDSU
Black and white photograph
Digital Publisher: South Dakota State University Archives and Special Collections, H. M. Briggs Library.
In copyright - Educational use permitted http://rightsstatements.org/vocab/InC-EDU/1.0/