一发现北江堋碑在都江堰首部枢纽鱼嘴处,有一道跨越岷江的安澜索桥,沟通东西两岸的交通。由于历时久远,构造俭朴,隔若干年就需要检查、维修一次,以加固桥墩、立柱和桥面。2005年3月正是大修之期,利用冬季枯水季节在岷江河床中进行施工,忽在鱼嘴西侧外江河床中挖出一块东汉石碑。由于当时民工误以为是河中孤石,曾经用锤猛击;及至发现是块石碑时,上 Upon discovery of the Beijiang River monument in Dujiangyan, the first hub of fish mouth, there is a span of the Lan River Bridge Minlan, communication between the east and west. As time goes by, frugal and frugal, it needs to be inspected and repaired a few years later to reinforce piers, columns and decks. March 2005 is the period of overhaul, the use of winter dry season in the Minjiang River bed construction, Suddenly in the western outskirts of the mouth of the river dug a piece of Eastern Han stone. Because at that time, migrant workers mistakenly thought to be a solitary boulder in the river, once slamming it with a hammer; and when it was discovered that it was a piece of stone,