6 resultados para Airways obstruction

em University of Michigan


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"June 1, 1941."

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At head of title: ... Department of commerce. Herbert Hoover, secretary. Bureau of mines. Scott Turner, director.

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"The hearing in the above-entitled matter convened at 9:30 o'clock a.m. before the Honorable William T. Coleman, Jr., Secretary of Transportation."

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Mode of access: Internet.