As prepared by US army cartographers based on Rock's surveys and hand-drawn maps. I've checked the details - they're pretty accurate. This covers the area I'll be traversing next week - from Cizhong to Baihanluo. Click to magnify for detail.
Kham then and now. A photoblog showing how eastern Tibet looked in the 1920s and how the same places and people look now. Based on the explorations of botanist Joseph Rock.