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Rules and regulations governing the movement of plants and plant products into and out of the District of Columbia, effective on and after September 1, 1920.

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Date de publication: 1920]
Contributeur(s): Biodiversity Heritage Library
Collection(s): Biodiversity Heritage Library
Catégorie: Others
Le sujet(s): Plant diseases , Plants, Protection of
mots-clés: Plant diseases Plants, Protection of

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