毛主席视察黄河 Mao zhuxi shicha Huanghe Designer Yang Junsheng (杨俊生) Date 1956, August Publisher Shanghai tupian chubanshe (上海图片出版社) Size 53.5x77.5 cm. Call nr. PC-1956-014 Collection Private collection Notes Mao inspects the Yellow River in relation with the first phase of flood prevention by building dams and reservoirs at Sanmenxia (三门峡) and Liujiaxia (刘家峡). Theme Early Campaigns (1949-1954) Environment