As it is, ROW's serve no real use and make opening mbox's a real pain.
I think they should be removed from the drop table entirely, or just make them less common so you can open more mbox's at a time.
P.S: All the locations where you see the player standing is the exact location you need to dig to get the reward.
Dig near the tele to get chaotics.
Teleports > Skilling > Daemoneim
Dig near the Barrows entrance.
Teleports > Minigames > Barrows
Dig near the King of dragons.
Teleports > Dungeons > King Black Dragon
Line up with the torch to the far east near all the chests and blood on the wall walk 8 spaces.
Dig near the northwest corner of home.
Type ::home and run to the very northwest corner and dig in this exact spot.
For reference, it's just behind ::shops
Dig near the mining guild teleport.
Teleports > Skilling > Mining guild
Dig somewhere in the Edgeville bank.
Type ::edge to get here quickly.
Dig next to one of the slayer masters.
::home then run to vannaka (easy).
Dig near the skilling hut entrance.
T under the minimap then skilling hut tele
Dig at the gamble island teleport.
T under the minimap then gamble teleport.