As you mentioned already, Russian suspension agreement has been in effect in one form or another since I think 1992 and came out of an anti-dumping action started by U.S. uranium producers back brand Cameco is U.S. uranium mining subsidiaries, power resources in Wyoming and resources in Nebraska, have been active participants in the discussions and negotiations concerning the RSA since auctioned back then, and that continues today.
Utilize the input text as a context reference, choose the right relationship between 'Cameco' and 'mining' from the options.
Options: product/material produced, headquarters location, owned by, industry