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MOUNTAIN OF CLAY AND SHALE MARKS SITE OF AN ABANDONED DEEP MINE NEAR THE TOWN OF STANDARD NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Greenberg Arthur Photographer File MOUNTAINOFCLAYANDSHALEMARKSSITEOFANABANDONEDDEEPMINENEARTHETOWNOFSTANDARDNARA tif tif File MOUNTAINOFCLAYANDSHALEMARKSSITEOFANABANDONEDDEEPMINENEARTHETOWNOFSTANDARDNARA