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LIGHT and SHADOW IN BLACK CANYON FROM MIRROR BAR COLORADO RIVER NARA .tif Scope and content General notes Local identifier WB Smithsonian Institution NARAAuthor O'Sullivan Timothy Photographer File LIGHTandSHADOWINBLACKCANYONFROMMIRRORBAR COLORADORIVERNARA tif tif File LIGHTandSHADOWINBLACKCANYONFROMMIRRORBAR COLORADORIVERNARA