In 4 years of playing wow... i'v found that players with mining and herbalism trained give the best output in gold.
Using a druid with Swift Flight Form I even got 1k/hour on this route with a lot of luck regarding the Frost Lotus and the blue gems in Rich Saronite Deposits and ofcourse somewhere arround 1-2AM GMT.
Pinned Wowhead Map
The resource can be downloaded HERE