Unite says "it is completely wrong that Reach is intent on making skilled print workers redundant".
Some of the 147 staff at the site could be redeployed to the Newsprinters operation in Broxbourne.
Reach announces plans to close the Saltire printing facility with the loss of about 100 jobs.
Reach tells staff it plans to share content across its papers and put a "new focus" on digital subscriptions.
Thomson House, in Newcastle city centre, stands empty after staff relocated six years ago.
Hundreds more images are digitized and show remnants of Coventry's medieval past.
The valuable glass negatives were rescued after being dumped on a street more than 30 years ago.
The newspaper industry is looking structurally unsound and is being battered by financial pressures.
Volunteers are working to identify people and places from the archive of photographer Arthur Cooper.
