Which lasted more than two years investigation of measurement of the length of the Ming Great Wall within the province ultimately determined to be 363 km. Ming Great Wall in the main line of our province are located in Huangzhong, Chase, mutual aid and music are the four counties; auxiliary lines are located in mutual aid, people and, of lung, four counties in Guide.

November 11, the reporter learned from the Provincial Bureau of Surveying and Mapping in 2006, launched the Great Wall resource survey work involves nine provinces, municipalities, autonomous regions and province not included in the initial publication of the list. The project started, the experts confirmed the Qinghai Province, there are the Ming Great Wall Accordingly, the application by the Province Cultural Relics Bureau in May 2007, the State Administration of Cultural Heritage and the National Mapping Agency and the project team will be in our province as the nation's resources, the Great Wall scope of inquiry. Subsequently, the province set up the Great Wall resource investigation leading group established mainly on heritage sector, heritage and mapping departments working model of interdisciplinary cooperation.

It is understood that province in the middle of the Ming Great Wall was built in the Ming Dynasty, since the beginning of 1546 until 1596 only lasted 51 years. Ming Great Wall was mainly to defend against harassment and Xi Haimeng ancient construction, the main line located in Huangzhong, Chase, mutual aid and music are all four counties, the basic construction of around Xining Wei; auxiliary lines are located in mutual aid, people and, of lung, four counties in Guide .