Time Machine - system won't recognise previous backup

Hi there,
     I have just restored my iMac with a clean install of ML. I particularly wanted a clean install as my TM backups were reporting massive and impossible file sizes, so I skipped the Migration Assistant's offer and proceeded as normal. Now my system is back up and running, but I need to access some files from the older backup archive. These are mainly 'stored on my mac' emails. I have directed TM to the correct drive, but I am unable to access any backups from prior to the recent restore. I have trawled the FAQ pages, but keep being redirected to Dot.Me pages that are no-longer accessible. Is there a work around please? I also made backups with the Mac Backup utility, but I can find copy of this program on the site either!
Very frustrating!!!
Any help/advice gratefully received.
Thanks
Ray

The disk is probably not formatted correctly for Time Machine. There's a free download on my website, 33thingsbooks.com, that describes in great detail how to format a TM disk; you might find that helpful.
sharon zardetto
author, Minifesto: Time Machine
PS: Although the download is absolutely free, there are other ebooks on the site that are for sale, so I must include this disclaimer: "“I may receive some form of compensation, financial or otherwise, from my recommendation or link.”

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