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Keywords from Image Description:
WATER IN CONTINUOUS SPRAY IS USED ALONG THE FACE OF THE LONG WALL WHEN THE COAL MACHINE IS IN OPERATION TO CUT DOWN... NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Corn Jack Photographer File WATERINACONTINUOUSSPRAYISUSEDALONGTHEFACEOFTHELONGWALLWHENTHECOALMACHINEISINOPERATIONTOCUTDOWN