Where are the Blizzard Campaign maps stored?

Hi all, I want to open up the campaign maps from ROC and TFT in WE so I can study the terrain, can anyone tell me where they are?

ROC campaigns -> war3.mpq
TFT campaigns -> war3x.mpq
TFT Rexxar's campaigns -> war3patch.mpq

you need some tool like WinMPQ to open mpq files

They are stored as single map files in

War3.mpq -> Maps\Campaigns
War3xLocal.mpq -> Maps\Frozen Throne\Campaign
War3Patch.mpq -> Maps\Frozen Throne\Campaign

It's just Act 2 & 3 of the Rexxar Campaign that's stored in War3Patch.