Minnesota Valley (only Raynor design in the metro, in great condition, easy to get on since it is actively looking for members)
I should let Rick Shefchik reply, but he might be too busy, actually working.
Minnesota Valley is not the only Raynor design in the Twin Cities.
Somerset is Raynor. So is Midland Hills.
How much Raynor remains at any of them, I couldn't say.
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In terms of private clubs, you missed at least a few very fine and/or interesting ones:
Somerset
Oak Ridge (by a guy named William Clark; a wonderful members' course)
Minneapolis (have never played)
North Oaks (Stanley Thompson's finale; recently updated by Tom Lehman)
Edina (newly reopened after Tom Lehman renovation/restoration)
Woodhill (Ross; a funny Woodhill/Sam Snead story is in Rick Shefchik's upcoming book)
I'm sure I'm missing some, too.
If you can get on any of the privates listed by either Mark or me, there's absolutely no reason to play a public course in the TC area.
I'd play Keller or StoneRidge, if I were going to play a public course. StoneRidge is "better," I guess, but there's something about playing a fun course on which most of the great golfers of the past century played....