Base Map - 15 of 14
Base Map FAQs - 14 Found
To be compatible with other popular viewers, tiled base maps were cached using tiles that are 256x256 pixels in tile size and 96 DPI resolution, at global scale through 1:18,000. The cache is made up of over 39 million tiles, and takes over 30 days to regenerate. For scales larger than 1:18,000, base map services are dynamic and not cached.