How to say lead mountain dialect?

It is said that the local people don't want to live a single life like lead mine, and they think it is more powerful to change the initial Q to Y, so they read Yan.

Lead Mountain generally refers to lead mountain county, which is located at the northern foot of Wuyi Mountain, connected to Shangrao County in the east, Yiyang County and guixi city in the west, and Wuyishan City and Guangze County in Fujian Province in the south. Lead mountains and rivers are beautiful and rich in people. "Lead Mountain" is its name, and the local people want to pronounce it as "yán", which creates a special case in the Chinese dictionary. When the lead mountain is used as the county name, it is pronounced as "yán Mountain".

Historical evolution of lead mountain;

In 953, the county was founded in the 11th year of Baoda in the Southern Tang Dynasty. Because there is a lead mountain in the west of Yongping Town, it was named Shan County and placed in Xinzhou.

From the Yuan Dynasty to the 29th year of the Yuan Dynasty (1292), the county was promoted to the state of lead mountain, which was placed under the jurisdiction of Zhejiang Province. ?

In the second year of Hongwu in Ming Dynasty (1369), it was re-established as a county and placed under Guangxin House. ?

In the third year of the Republic of China (19 14), there was a road under the province, and the lead mountain belonged to Yuzhang Road; In the twentieth year of the Republic of China (193 1), it belonged to the sixth administrative region; From 19 to 23 years (1930 ~ 1934), revolutionary regime was established in about 60% areas of lead mountain county. Lead Mountain and Upper Lead Soviet Area are under the leadership of Northern Fujian Division and are part of the revolutionary base areas in Fujian, Zhejiang and Jiangxi. ?

After the liberation of lead mountain in May, 1949 belongs to Shangrao area.