If anyone finds out more about this, please post it! From what I know, there is still Santee that finishes goods in the USA (this is info from one of the sales reps that visits us). Cranston did print in Massachusetts up until June of this year. Now all their goods are done overseas. (Wal-Mart's closing of the fabric departments hit then VERY hard.)
I would absolutely love to carry US-made fabrics if I could find nice-looking ones. It's possible that Connecting Threads is large enough that they could commission whole printings just for their use, and maybe they are using Santee. (Pure speculation but possible.)
Now... I'd also been told by several sales reps that there was no cotton combing equipment left in the US, that it had all left our shores a decade ago. That's very sad. So I'm puzzled but encouraged by news of North-American made fabric. Whether the sources are Canada, US, or Mexico ... it's still "greener" in that the raw materials do not have to travel all over the globe.