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Keywords from Image Description:
NATIONAL WATER QUALITY LABORATORY AQUATIC BIOLOGIST WESLEY SMITH REMOVES SUBSTRATE FROM THE BANK OF AQUARIUM TANKS... NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Emmerich Donald Photographer File NATIONALWATERQUALITYLABORATORY AQUATICBIOLOGISTWESLEYSMITHREMOVESASUBSTRATEFROMTHEBANKOFAQUARIUMTANKS