Abstract There is a paragraph on the back of the pictures telling you more about the picture. COAL BREAKER -SHEANDOAH, PENNSYLVANIA OIL WELLS - LOS ANGLES, CALIFORNIA COTTON MARKET - MONTGOMERY, ALABAMA BLAST FURANCE AND MOLDING FLOOR - ALABAMA HARVESTING FLAX - WASHINGTON COTTON GINS - ARKANSAS BALLING COTTON - ARKANSAS MINING BITUMINOUS COAL - PENNSYLVANIA HARVESTING RICE- LOUISIANA ENTRANCE TO COAL MINE - FAIRMONT, WEST VIRGINIA PICKING COTTON - ARKANSAS IRON FURANCE - HANKOW,...