China Digital Maps
Other layers not described also include:Danger points; Sand; Mudflat; Provinces; Prefectures; Counties; 2, 3, and 4 digit postal codes; extraction areas and points, Great Wall of China, dams; islands
SNOW
The National Snow and Ice Data Center
The National Snow and Ice Data Center offers hundreds of data products and services to researchers, commercial applications users, and others worldwide, most often at no cost, thanks to the generosity of our data providers.