I have done several site with Chinese aspects in the west (Arizona,
Nevada, California) and if your still looking for info in a week or so
I'll have more time to dig out the stuff but place you should look in the
 
Asian American Comparative Collection
Laboratory of Anthropology
University of Idaho
Moscow, Idaho 83843
(208)885-7075
 
Don't know their Email, they put out a newsletter, have a special library,
you can send them artifacts or pictures of and they will ID and date,
Priscilla Wegars is the person to talk to
 
Hope this has been of help,
Rick Morris
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