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Hi Run a pet listings website and we had tonnes of duplicate content that we have resolved. But not sure what to do with the localised landing pages. We have everything pointing back back to the main listings URL http://www.dogscatsandpets.co.uk/for-sale-stud-and-adoption/ but haven't pointed the URLs that show pets for specific towns and cities eg http://www.dogscatsandpets.co.uk/for-sale/dogs-and-puppies/in-city-of-london/ back to the main url. Obviously this is giving us duplicate content issues, but these pages do rank in local search and drive traffic into the site. So my question is should we canonicalise the local pages back to the main url and if we do will this mean our local landing pages will no longer rank? Is there any alternatives?