Terrain in northern China that N.E. Hansen traveled in is search for hardy peach trees in 1924
Terrain in northern China that N.E. Hansen traveled in is search for hardy peach trees in 1924
Terrain in northern China that N.E. Hansen traveled in is search for hardy peach trees in 1924
N.E. Hansen's assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen's assistants begin a search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants on their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and his assistants begin a search for hardy peach trees in northern China in 1924
N.E. Hansen and his assistants begin a search for hardy peach trees in northern China in 1924
N.E. Hansen and his assistants begin a search for hardy peach trees in northern China in 1924
N.E. Hansen and his assistants begin a search for hardy peach trees in northern China in 1924
N.E. Hansen and his assistants begin a search for hardy peach trees in northern China in 1924
Assistants to N.E. Hansen gather specimens in their search for hardy peach trees in northern China in 1924