《长江江防图》描绘清初长江中、下游的军事防御体系,是研究中国地图史和清初军事史的珍贵资料。一该图绢地、黄绫装裱,纵59.7、横1340厘米。该图原收藏者马良贵题签“长江营汛图”,并在图首书记,记述该图来历(图一)。图 The “Yangtze River Defense Map” depicts the military defense system in the middle and lower reaches of the Yangtze River in the early Qing Dynasty. It is a valuable source for studying the history of Chinese maps and military history in the early Qing Dynasty. A map of silk, yellow damask mounted, vertical 59.7, horizontal 1340 cm. The original collectors Ma Lianggui signed the “Yangtze River Flood Camp”, and in the first secretary, describes the origin of the figure (Figure 1). Figure