Where is the inner yellow in Henan?

Geographical location: Neihuang County is located in the north of Henan Province, at the junction of Hebei, Shandong and Henan provinces, with Puyang and Qingfeng in the east, hua county and Xunxian in the south, Anyang and Tangyin in the west and wei county in Hebei Province in the north. Geographical coordinates are east114o35'-1/4o59', north 35o39'-36o09'. (2) Population: 1998. At the end of the year, the total population of the county was 678,000, of which 63 were agricultural. It is an area where the population of Han nationality is concentrated, with 2 1 ethnic minority and 2 17 people, including Zhuang, Hui, Mongolian and Manchu. (3) Area: total area11km2, with an average length of 55km from north to south and an average width of 2 1. 1 km from east to west. (IV) Administrative Division: Neihuang County belongs to Anyang City, Henan Province. It has jurisdiction over six towns, including Chengguan, Chuwang, Jingdian, Dongzhuang, Houhe and Liangzhuang, Haocheng, Gaodi, Er 'an, Liucun, Zhao Zhong, Ma Shang, Zhang Long, Song Cun, Shi Tian, Dougong, Shipantun, etc.1/township and 53 1. (5) Natural resources: Underground natural gas is rich in reserves and has important exploitation value. There is magnetite, containing iron 15%. There are many layers of gypsum deposits. The shallow groundwater reserves are 2.37 billion cubic meters, the static water level 18.49 meters, and the dynamic water level is 26.7 meters. There are 75,000 mu of forest land in China, the forest coverage rate is 20%, and the timber storage volume is 850,000 cubic meters. 1986 was awarded the certificate of plain greening and bronze medal by the National Greening Committee, and 1998 was listed as an eco-forestry demonstration county in Henan Province. (6) Agriculture: Neihuang County is a big agricultural county with rich agricultural products resources. The main food crops are wheat, corn, beans, millet and sweet potato. Cash crops mainly include vegetables, cotton, peanuts and watermelons. Trees mainly include jujube, paulownia, Robinia pseudoacacia, poplar, elm and willow. Fruit trees mainly include red dates, apples, peaches, pears, grapes and apricots. Livestock and poultry mainly include pigs, chickens, sheep, cows, horses, donkeys, rabbits, ducks and geese. From 1979 to 1987, it was named as "goat production base county", "wheat commodity grain production base county" and "high quality honey export base county" by the state. 1986 has been identified as the production base county of high-quality cotton and export cotton by the state, and 1990 ranks 26th among the top 100 cotton-producing counties in China. 1998, the county's total agricultural output value reached 2.005 billion yuan.