The earliest physical geography survey work that appeared in China is "Shang Shu·Xia Shu·Yu Gong"; as a chapter in "Shang Shu", the full text of "Yu Gong" uses the name "Yu" as the title. It describes his achievements in "laying mountains and rivers and paying tribute to them". The article not only divides the country into nine regions, but also describes the natural and human geographical phenomena in each region. It is an important reference document for scholars of all ages.
Excerpts from the original text of "Shang Shu·Xia Shu·Yu Gong":
Yu left Jiuzhou, followed the mountains and dredged the rivers, and paid tribute to the soil. Yu spread the soil, planted trees along the mountains, and built mountains and rivers.
Jizhou: It not only contains Hukou, but also governs Liang and Qi. After repairing Taiyuan, he went to Yueyang; Qin Huaishou made achievements and went to Hengzhang. Juetu is white soil, Juefu is only Shangshangcuo, and Juetian is only middle-middle. Heng and Wei followed, and the mainland was established. The island barbarians wear leather clothes and put the right jieshi into the river.
Jihe River is only Yanzhou. Jiuhe is the road, Leixia is the river, and Dao and Ju are in harmony. The mulberry soil is both silkworm and silkworm soil, and it is the soil of Jiangqiu's house. The soil is black and the grave is dark, the grass is only slender and the trees are only strips. Juetian is only in the middle and lower part, and Juetian is endowed with chastity. It has been the same for ten or three years. Jue Gong lacquer silk, Jue Zhuo weaving text. It floats in Ji and Luo and reaches the river.
Haidai is only Qingzhou. The Yi and Yi tribes are already a little short, and the Wei and Zi roads are their own. There are white graves on the ground, and the seaside is widely criticized. Jue Tian is only up and down, Jue Fu is in the middle. You pay tribute to salt, but the sea things are wrong. Daiwei silk, eucalyptus, lead, pine, and strange rocks. Cai Yi is used as a herdsman. Juehuosi. It floats in Wen and reaches Ji.
Hai, Dai and Huai are Xuzhou. Huai and Yi Qi Yi, Meng and Yu Qi Yi, Daye is a pig, Dongyuan is flat. The tomb is covered with red earth and gradually covered with vegetation. Juetian is only in the middle, and Juefu is in the middle. Jue Gong only has five colors of earth, feathers, Xia Zhai, Yiyang Gutong, Sibin floating chime, Huaiyi bead and fish. Jue Zhuo Xuan Fiber, Zhi. Floating in the Huaihe River and Si River, it reaches the river.