A solution / interpretation of clues for San Francisco

[Jenny]

The following account is by Don Adams who had the opportunity to dig this last week. Here is his excellent story and interpretation of the clues:

mysteriouswritings.com/a-san-francisco-solution-to-the-secret-treasure-hunt-by-don-adams/

[choice]

So not a single mention of China or Chinese in the writeup. You would think a puzzle for Chinese immigration would have some connection to Chinese.
A good visual representation nevertheless.
BTW this is the second SF theory I read that the dig spot is next to a restroom!