Duplicate content even with 301 redirects

My site is http://www.stadriemblems.com and I have a 301 redirect in my .htaccess file to redirect all non-www to www and it works great. But it doesn't seem to apply to my blog, which is located at http://www.stadriemblems.com/blog

It doesn't seem to make sense that I'd need to place code in every .htaccess file of every sub-folder. If I do, what code can I use?
MarisaWeb DesignAsked:
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Post your code please.

MarisaWeb DesignAuthor Commented:
This is the code I have that redirects http://stadriemblems.com to http://www.stadriemblems.com

RewriteCond %{HTTP_HOST} !^www\.stadriemblems\.com$
RewriteRule (.*) http://www.stadriemblems.com/$1 [R=301,L]

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What I am looking to do is to also redirect http://stadriemblems.com/blog/ to http://www.stadriemblems.com/blog/
Aaron TomoskyDirector of Solutions ConsultingCommented:
It currently works for me...

I type
And i get redirected to

So what's the problem?

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MarisaWeb DesignAuthor Commented:
Hmm, I guess the error is just in SEOmoz's crawler. It's giving me a bunch of duplicate content errors. It understands my redirects in the main directory but not the blog. Sorry to have wasted your time.
Aaron TomoskyDirector of Solutions ConsultingCommented:
I feel dirty getting points for that ;)
MarisaWeb DesignAuthor Commented:
Well, you still tried. It was my fault for posting a stupid question!
There are no stupid question; just problems to be solved.  Aaron it is guaranteed that if you participate in enough questions you will get shafted sometimes, so it just evens out. :^)

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