301 redirects for 404 and canonicalized urls for site migration cleanup needed

This job entails manually building out a 301 redirect sheet for all of the content related 404 and duplicate content urls to prepare for a site migration.

Work involved will require looking up 1 to 1 relationships for all tagged content. If 1 to 1 relationships can't be found, redirecting up categorically will be required.

A strong understanding and experience of this process, the english language, and SEO semantics is required. Total urls included in this job are in the range of 2000.