Grand Survey: Deeprock and Coast
Event content
Only available during a limited-time in-game event.
Category: medium · Event
Prerequisites: complete The Cartographer's Summons, complete Grand Survey: Trailhead
Chain rewards
10 quests · 
142,500 gp · 
25 gems · 10 item rewards
1. Mithril Veins
The survey splits two ways: down into the ore seams and out along the deep water. Chart both.
Objectives
- Mine
Mithril Ore ×300
Rewards
- 2,500 gp
Clue Scroll (Common) ×1
2. Tuna Grounds
Objectives
- Catch
Raw Tuna ×350
Rewards
- 5,000 gp
- Clue Scroll (Common) ×1
3. Grubstake the Miners
Objectives
- Pickpocket
Miner ×400 (Thieving)
Rewards
- 7,500 gp
- Clue Scroll (Common) ×1
4. Adamant Seams
Objectives
- Mine
Adamantite Ore ×300
Rewards
- 10,000 gp
Clue Scroll (Uncommon) ×1
5. Swordfish Deeps
Objectives
- Catch
Raw Swordfish ×350
Rewards
- 12,500 gp
- Clue Scroll (Uncommon) ×1
6. Smoke the Catch
Objectives
- Cook Raw Swordfish ×350
Rewards
- 15,000 gp
- Clue Scroll (Uncommon) ×1
7. Yew Waypoints
Objectives
- Chop
Yew Logs ×325
Rewards
- 17,500 gp
Clue Scroll (Rare) ×1
8. Frontier Beacons
Objectives
- Burn Yew Logs ×325
Rewards
- 20,000 gp
- Clue Scroll (Rare) ×1
9. Knights on Patrol
Objectives
- Pickpocket
Knight ×425 (Thieving)
Rewards
- 22,500 gp
- Clue Scroll (Rare) ×1
10. Deeprock Charted
Objectives
- Mine
Runite Ore ×250
Rewards
- 30,000 gp
- 25 gems
Clue Scroll (Epic) ×1