[qupte]In a nutshell, yes, although off the top of my head I can't remember specifics.
Check out my friends site, he's got a good photo set of some MIGs, with explainations of when they were built.
http://www.ehowa.com/features/buriedmig.shtml
And for a good laugh, and jab at MM, check out the homepage and read his latest updates: http://www.ehowa.com
E1