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If there is any way to salvage any of the content, by combining it into fewer pages, that's ultimately the best course.  Because you can then 301 all the old versions to the lower number of new, consolidated versions, and have the best of all worlds.

Each page is about 100 words all of which are exact duplicates except for where the "keyword" for that page is changed. So like  "Keyword" in California      /    "Keyword" in Nevada and so on. Yeah the long term goal is to get rid of these pages all together, but in the mean time i'd feel much better if our Real to Auto gen ratio was 1 : 0  instead of the current  1 : 1,000.   Simply blocking them in the robots.txt will make 95% of the site become a 404. So far my best bet is to Noindex, Follow the pages to give me to to actually fix the internal linking of the site. I'm just not sure if I should do all pages at once or do them slowly over time?