Joseph Rock's handwritten notes of his trip to Amnye Machen, originally uploaded by jiulong.
I'm preparing to head off to Gansu and Qinghai in April and I have just come across this handwritten account of Joseph Rock's trip there in 1925-26.
It makes for an interesting read in addition to his "Mountains of Mystery" article in the National Geographic.
I'm also looking at his hand-drawn maps of the area (see below) and comparing them with what I can see on Google Earth of the area. So much to see in preparation - I really wish I could spend a couple of months there instead of just a couple of weeks ...