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I have read many answers regarding not having duplicated pages target different states (cities). Here is the problem. We have same content that will serve different pages in some provinces in Canada that we can't change allot intentionally. We don't want these pages compete within the same province. What would be the best approach not to get penalized and keep SERP? Initially we though about hreflang, but we can't really do it on the provice/state  attributes.

Thanks in advance!