What is the name of the Imperial Monument for Governing the River inscribed by Kangxi Qianlong successively?

Kangxi's imperial pen "Water Diversion for Economic Transport" has four characters, meaning to build a stone dam to divert the flood peak into the sea and help water transport.

The imperial monument is carved with white marble, and its shape is simple and dignified. The inscription highlights the word "imperial system" in the seal script, and is carved with Youlong patterns on all sides, which is elegant and elegant. Right in the middle is the inscription "Diversion and Economic Transportation". Every word is magnificent, powerful, rigid and flexible, and rigorous in structure. It is the top grade in imperial calligraphy. The next topic is "The Treasure of Emperor Kangxi's Imperial Pen".

The Qianlong Imperial Monument is a five-character poem with as many as five poems. Its purpose is to eulogize the sages of their ancestors, make a biography for the national monument of the Qing Dynasty, let future generations remember the boundless kindness of the Qing Emperor An Lan, and benefit the people.