I found this on the CBC's website today. There's a typo in the article, as HMS Raleigh is described as a battlecruiser not a cruiser, but it's an interesting read.
Divers to Document Wreck
The Hawkins class were on the odd duck side, having been too late for WW1 and being an evolutionary dead end by the time WW2 arrived. Curiously two of the class managed to run themselves around (Raleigh off Labrador in 1922, and Effingham in Norway in 1940), a rare event for 20th century warships.