Fig. 1From: Discussion on the environmental adaptability of weather-resistant measures for earthen sites in ChinaDistribution pattern of the fraction of clay particles at earthen sites in China (Source: National Earth System Science Data Center, National Science & Technology Infrastructure of China. Accessed 2018. http://www.geodata.cn/data/datadetails.html?dataguid=1587975113163. Background map approved by Map Vetting Center, Ministry of Natural Resources, PRC)Back to article page