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First authorized mail flight, 1911
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First airmail service, 1918
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First airmail service, 1918
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First international mail flight, 1919
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Airmail pilot and postal officials, 1919
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Swinging the prop, 1920s
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Airmail pilot, 1920s
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Aviation engineer, pilot, & airmail official, early 1920s
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Airmail pilot with editors, 1921
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Airmail pilot, 1922
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Testing transcontinental service, 1923
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Airfield, 1923
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Loading airmail, ca. 1925
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Preparing for overnight flight, ca. 1925
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Loading airmail, 1930