As to not hijack Crispy's good work with anagrams, I'll make a separate thread, but maybe we can look at combining the information at some point? There may be more than I currently have, but here's some prompts.

To find dig locations, the following coordinates are based on standing next to the Obelisk in Edgeville (east square next to it)

0.49 North East = Next to Air Obelisk (up ladder from edge dungeon) on the eastern tile next to it
1.39 North East = Graveyard 18 Wild side of gravestone.
1.98 North East = Far east edge of wilderness, Level 0
2 North East = North side of Hobgoblin mine
2.1 North East = Next to the furnace in the Red Spiders area
3.05 North East = North of Sapphire house 47 wild
3.07 North East = East of Mage Arena on the little ramp area
3.17 North East = South East of Greater Demons ruins
3.23 North East = Greater Demons 45 wild
3.44 North-East. Animated axe hut west chest
3.46 North East = High wild scorpion pit next to tree
3.62 North East = Side of the carcass South East of Rogue Hut
3.78 North East = North of Rogue Hut between the trees

0.72 North East Below = Castle dungeon (slayer ammy tele), just north of swing rope and slayer master
3.12 North East Below = Ghostly Lair south east corner

0.79 North West = North of dark wizards near cliff
1.41 North West = Far west edge of wilderness, Level 17
1.79 North West = North of Bandit Camp near cliff
2.27 North West = West of Fort near ladder
3.39 North West = Inside Pirate Hut next to half red berry pie
3.49 North West = North West corner above Wilderness agility course