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