Page is a not externally linkable
-- Google SEO News and Discussion
---- Canonical Question - About multiple querystring with similar content
indyank - 3:14 am on Mar 6, 2013 (gmt 0)Thread source:: http://www.webmasterworld.com/google/4551376.htm
Read your 1 and 2 together and you will know there is an unwanted danger of you telling Google to noindex a proper page you want to see in their index.
Brought to you by WebmasterWorld: http://www.webmasterworld.com